Biology Online Quiz Test 08

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Biology Online Quizzes

Biology Quiz Test 08 test contains multiple-choice questions with answers for competitive exam preparation. We have provided Biology online quizzes below which include questions related to different topics.

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Biology Quiz Test 08

Protein factory is
(A) nucleus
(B) ribosome
(C) golgi complex
(D) centriole

Answer
ribosome

Proteins are made from amino acids by the process of
(A) Hydrolysis
(B) Pinocytosis
(C) Dehydration synthesis
(D) Active transport

Answer
Dehydration synthesis

Peptide bond is
(A) C-N link
(B) C- O lind
(C) N-H link
(D) C-H link

Answer
C-N link

Biologist Grass discovered the life cycle of plasmodium in
(A) 1896
(B) 1897
(C) 1898
(D) 1899

Answer
1898

The one which can tolerate highest external osmotic pressure is
(A) Algae
(B) Amoeba
(C) Fungi
(D) Bacteria

Answer
Fungi

Insertion of Biceps is on
(A) Ulna
(B) Radius
(C) Olecronon process of ulna
(D) Scapula

Answer
Radius

Nitrifying bacteria are the examples of
(A) Heterotrophic bacteria
(B) Chemosynthetic bacteria
(C) Saprophytic bacteria
(D) Parasitic bacteria

Answer
Chemosynthetic bacteria

Hydra has no specialized excretory system because
(A) It does not produce waste material
(B) Due to absence of mesoderm
(C) The whole body cells are in contact with water
(D) It has pseudocoelom

Answer
The whole body cells are in contact with water

There are _________ stomata per square cm of leaf surface in Tobacco plants?
(A) 1200
(B) 12000
(C) 100,000
(D) 1000

Answer
100,000

Bacteriophage that infect E. coli are called
(A) M type
(B) N type
(C) T type
(D) S type

Answer
T type

All of the following are elements that plants need in very small amounts except
(A) Iron
(B) Hydrogen
(C) Chlorine
(D) Copper

Answer
Hydrogen

The leaf is bilobed with midrib between them. The plant is
(A) Saraccnia
(B) Dionaea
(C) Pitcher plant
(D) None of these

Answer
Dionaea

___________ is used to relieve one kind of headache, migraine?
(A) Pencillin
(B) Lovastatin
(C) Cyclosporine
(D) Ergotin

Answer
Ergotin

Keto group is represented as
(A) CO
(B) C-COO-C
(C) HCOH
(D) HOH

Answer
CO

The atoms of different elements combine with each other through ionic or covalent bonding to produce compounds this stable form is called__________?
(A) An organ
(B) A molecule
(C) Tissue
(D) Both a and c

Answer
A molecule

The term biology was introduced in__________ in 1800?
(A) Germany
(B) Turkey
(C) Japan
(D) Italy

Answer
Germany

In Hornworts the band of meristematic tissue is found near _______
(A) Foot
(B) Gamete producing region
(C) Spore producing region
(D) At junction of A & B

Answer
At junction of A & B

The process of trading glucose for ATP is called
(A) Glycolysis
(B) Krebs cycle
(C) Cellular respiration
(D) Glycogenesis

Answer
Cellular respiration

The following is end products of anaerobic respiration
(A) Mater
(B) Lactic acid
(C) CO2
(D) Alcohol

Answer
Cellular respiration

Those animals which lack vertebral column are called
(A) Chordates
(B) Vertebrates
(C) Invertebrates
(D) Mollusk

Answer
Invertebrates

Which of the following regulates the secretion of erythropoietin hormone?
(A) Oxygen
(B) Proteins
(C) Number of Red Blood Cells
(D) The concentration of hemoglobin

Answer
Oxygen

Which of the following disorders increases the production of erythropoietin hormone
(A) Anemia
(B) Hypoxemia
(C) Renal artery stenosis
(D) All of the above

Answer
All of the above

According to the diagnostics report the normal plasma level of erythropoietin hormone ranges from
(A) 10 to 22 U/L
(B) 10 to 25 U/L
(C) 10 to 50 U/L
(D) 10 to 75 U/L

Answer
10 to 22 U/L

The hormone Erythropoietin is produced in
(A) Liver
(B) Spleen
(C) Kidney
(D) Thyroid Gland

Answer
Kidney

Which of the following products cannot be used for vermicomposting?
(A) Cow dung
(B) Plant materials
(C) Animal Wastes
(D) All of the above

Answer
Animal Wastes

Which of the following procedures are used by the farmers to multiply the earthworms?
(A) By adding cow dung
(B) By adding plant materials
(C) By mixing more amount of biodegradable wastes
(D) All of the above

Answer
All of the above

Which of the following is not raw material required for preparing composts?
(A) Cow dung
(B) Weed biomass
(C) Dry straw and leaves
(D) All of the above

Answer
All of the above

Which of the following is not a drawback of vermicomposting?
(A) Time-consuming process
(B) Require regular monitoring
(C) Require minimum temperature
(D) Enriches soil with microorganisms

Answer
Enriches soil with microorganisms

The maximum temperature required for vermicomposting is
(A) 20C to 25C
(B) 25C to 30C
(C) 30C to 35C
(D) 35C to 40C

Answer
30C to 35C

The moisture level required for vermicomposting should be between
(A) Below 30 per cent
(B) 40 and 50 per cent
(C) 70 and 80 per cent
(D) Above 90 per cent

Answer
70 and 80 per cent

Which of the following are the best worms used for composting?
(A) Maggots
(B) Pink worms
(C) Red wigglers
(D) All of the above

Answer
Red wigglers

Which of the following is true about vermicompost?
(A) Vermicompost is red in colour
(B) Vermicompost is black in colour
(C) Vermicompost is white in colour
(D) Vermicompost is brown in colour

Answer
Vermicompost is brown in colour

Which of the following is true about vermicomposting?
(A) Composting using rats
(B) Composting using birds
(C) Composting using worms
(D) All of the above

Answer
Composting using Worms

Which of the following is false about vermicomposting?
(A) Worms population doubles in 90 days
(B) Worms eat double their body weight
(C) The wooden bin is best for vermicomposting
(D) Red worms are the best for vermicomposting

Answer
The worms eat double their body weight

Vermicompost is used as a biofertilizer because it is rich in
(A) Calcium
(B) Nitrogen
(C) Phosphorus
(D) All of the above

Answer
All of the above

The highly decomposed organic matter rich in minerals like nitrogen, phosphorus, and potassium, in particular, produced from the activity of earthworms is called
(A) Humus
(B) Vermicompost
(C) Worm casting
(D) Compost bedding

Answer
Compost bedding

Which of the following is a commonly used earthworm species for the vermicomposting process?
(A) Eisenia fetida
(B) Perionix excavatus
(C) Both A and B
(D) None of these

Answer
Both A and B

Which of the following chemicals is used for protecting vermi-bed from ants?
(A) DDT
(B) Griseofulvin
(C) Chloramphenicol
(D) Chlorpyriophosphate

Answer
Chlorpyriophosphate

The normal diastolic blood pressure in a normal healthy adult human is
(A) 80 mm Hg
(B) 60 mm Hg
(C) 90 mm Hg
(D) 110 mm Hg

Answer
80 mm Hg

Which of the following disease is sex-linked?
(A) Hepatitis
(B) Leukaemia
(C) Malignancy
(D) Colour blindness

Answer
Colour blindness

Chromosomal constitution in human females can be best written as
(A) 46
(B) 44+2
(C) 44A+XY
(D) 44A+XX

Answer
44A+XX

Gene for colour blindness in man is located on
(A) Both X and Y chromosome
(B) Y-chromosome only
(C) X-chromosome only
(D) Either X-chromosome or Y-chromosome

Answer
X-chromosome only

What is the number of linkage groups in the Drosophila?
(A) Two
(B) Four
(C) Eight
(D) None of these

Answer
Four

The blue-green algae and bacteria contain
(A) Three linkage groups
(B) Two linkage groups
(C) One linkage group
(D) None of these

Answer
One linkage group

A somatic cell in a human male contains
(A) No gene on the sex chromosome
(B) Genes on only on sex chromosomes
(C) Two genes for every sex-linked character
(D) Only one sex-linked gene for each character

Answer
Only one sex-linked gene for each character

A colour blind daughter may be born if the
(A) Father is normal and the mother is a carrier
(B) Father is normal and the mother is colour blind
(C) Father is colour blind and mother is a carrier
(D) Father is colour blind and mother is normal

Answer
Father is colour blind and mother is a carrier

More than 200 chromosomes occur in
(A) Dog
(B) Amoeba
(C) Chicken
(D) Gorilla

Answer
Amoeba

Chromosomal theory of inheritance was proposed by
(A) Sutton in 1902
(B) Boveri in 1902
(C) Correns in 1909
(D) Sutton and Boveri in 1902

Answer
Sutton and Boveri in 1902

Puffs or balbiani rings in the salivary gland chromosome are the sites of
(A) Protein synthesis
(B) RNA synthesis
(C) DNA replication
(D) DNA duplication

Answer
RNA synthesis

A chromosome with centromere near the middle is called
(A) Metacentric
(B) Acrocentric
(C) Telocentric
(D) Submetacentric

Answer
Submetacentric

The giant chromosome with a number of chromonemeta
(A) Hetrochromosome
(B) Polytene chromosome
(C) Lampbrush chromosome
(D) Supernumerary chromosome

Answer
Polytene chromosome

A chromosome with sub-terminal centromere is
(A) Acrocentric
(B) Acentric
(C) Metacentric
(D) Telocentric

Answer
Acrocentric

Chromosomes were first observed by
(A) Fleming
(B) Waldeyer
(C) Strasburger
(D) Hoffmeister

Answer
Hoffmeister

The ends of the chromosome are calle
(A) Satellites
(B) Centromeres
(C) Telomeres
(D) Kinetochore

Answer
Telomeres

The centromere is that part of the chromosome where
(A) Nicking occurs
(B) Chromatids are attached
(C) Nucleoli are formed
(D) Crossing-over takes place

Answer
Chromatids are attached

Which of the following is true about the Chromatids?
(A) It is a haploid chromosome
(B) It is a complete chromosome
(C) It is a duplicate chromosome
(D) It is one-half of the replicated chromosome

Answer
It is one-half of the replicated chromosome

Lampbrush chromosomes occur in
(A) Oocytes
(B) Cancer cells
(C) Lymph glands
(D) Salivary glands

Answer
Oocytes

Chromosomes found in the salivary gland of Drosophila is
(A) Polytene
(B) Lampbrush
(C) Supernumerary
(D) B-chromosomes

Answer
Polytene

The term chromosome was coined by
(A) Sutton
(B) Boveri
(C) Waldeyer
(D) Hoffmeister

Answer
Waldeyer

Which of the following staining techniques are used to locate the lysosomes?
(A) Gamori stain
(B) Bismarck stain
(C) Osmium tetroxide
(D) Janus Green Staining

Answer
Gamori stain

Which of the following organelle is called the perinuclear dense bodies?
(A) Nucleolus
(B) Lysosomes
(C) Peroxisome
(D) All of the above

Answer
Lysosomes

Lysosomes are involved in
(A) Digestion
(B) Intracellular digestion
(C) Extracellular digestion
(D) Both intracellular and extracellular digestion

Answer
Both intracellular and extracellular digestion

Which of the following statements are true about the acidic pH of lysosomes?
(A) Presence of anabolic enzymes
(B) Deposition of waste materials
(C) Presence of hydrolytic enzymes
(D) All of the above

Answer
All of the above

Which of the following are the functions of lysosomes?
(A) Autolysis
(B) Autophagy
(C) Digestion
(D) All of the above

Answer
All of the above

Which of the following techniques are used in the isolation of Liposomal fractions?
(A) Electrophoresis
(B) Ultracentrifugation
(C) Sucrose density gradient centrifugation
(D) All of the above

Answer
Sucrose density gradient centrifugation

Which of the following enzymes are used as a marker for the lysosomes?
(A) Phospholipase
(B) Acid phosphatase
(C) Pyruvate dehydrogenase
(D) Succinate dehydrogenase

Answer
Acid phosphatase

What is the pH of a lysosome?
(A) Acidic
(B) Basic
(C) Neutral
(D) Depends on the cell type

Answer
Acidic

In which of the following cells Lysosomes are absent?
(A) Animal cells
(B) Erythrocytes
(C) Hepatocytes
(D) Muscles cells

Answer
Erythrocytes

The lysosomal membrane is rich in
(A) Sterols
(B) Cardiolipin
(C) Sialic acid
(D) None of these

Answer
Sialic acid

Which of the following organelle is called the “suicidal bags” of the cell?
(A) Cytoplasm
(B) Lysosomes
(C) Mitochondria
(D) Endoplasmic reticulum

Answer
Lysosomes

Insects breathe through
(A) Gills
(B) Nostrils
(C) Spiracles
(D) None of these

Answer
Spiracles

Which of the following statements is true about the Anatomy of a cockroach?
(A) A pair of testes are present in the 2nd segment
(B) A pair of ovaries are present in the 4th segment
(C) The thorax of a cockroach is divided into 6 segments
(D) The abdomen region of a cockroach is divided into 10 segments

Answer
The abdomen region of a cockroach is divided into 10 segments

Which of the following statements is true about why spiders are not classified into insects?
(A) Spiders are venomous
(B) Spiders have eight legs
(C) Spiders have 2 division in their bodies
(D) All of the above

Answer
All of the above

What is the middle part of an insect body present between the head and the abdomen called?
(A) Thorax
(B) Head
(C) Abdomen
(D) None of these

Answer
Thorax

The excreta of the earthworm is called
(A) Vermi-manure
(B) Vermicast
(C) Vermicompost
(D) None of these

Answer
Vermicompost

Which of the following is true about the immature scale insects?
(A) Sliders
(B) Crawlers
(C) Gliders
(D) None of the above

Answer
Crawlers

The process of killing pupa without changing the cocoon shell layer is called
(A) Denier
(B) Dupion
(C) Hatching
(D) Stifling

Answer
Stifling

Odontotermes obesus is the scientific name of which of the following insects?
(A) Termite
(B) Cutworm
(C) Red ant
(D) Shoot borer

Answer
Termite

Which of the following structures is not the part of the insects head capsule?
(A) Vertex
(B) Antennae
(C) Pronotum
(D) Tentorium

Answer
Pronotum

Aphid, small, sap-sucking insects are examples of
(A) Oviparous
(B) Viviparous
(C) Paedogenesis
(D) Parthenogenesis

Answer
Viviparous

Which of the following statements is true about the holometabolous insects?
(A) These insects undergo complete metamorphosis
(B) These insects undergo incomplete metamorphosis
(C) Both A and B
(D) None of these

Answer
These insects undergo complete metamorphosis

The total number of abdominal legs in the larval stage of the mustard sawfly is
(A) 2 pairs
(B) 4 pairs
(C) 6 pairs
(D) 8 pairs

Answer
8 pairs

Which of the following statements is true for Entomophagy?
(A) Refers to eating birds
(B) Refers to eating insects
(C) Refers to eating fishes
(D) None of these

Answer
Refers to eating insects

Which of the following insects is the carrier of grassy stunt pathogenic virus?
(A) Red ants
(B) Pink ants
(C) Leafhoppers
(D) All of the above

Answer
Leafhoppers

Insects are classified into the phylum
(A) Nematoda
(B) Mollusca
(C) Arthropoda
(D) Platyhelminthes

Answer
Arthropoda

Insects, which feed on one type of food, are called
(A) Polyphagous
(B) Monophagous
(C) Entomophagy
(D) None of the above

Answer
Monophagous

Which of the following is not a natural predator of BPH?
(A) Bugs
(B) Red ants
(C) Spiders
(D) All of the above

Answer
Red ants

Which of the following is called the resting and inactive stage in the insect life cycle?
(A) The Egg stage
(B) The Larva stage
(C) The pupa stage
(D) The Adult stage

Answer
The pupa stage

Which of the following are the main characteristic features of an Insect?
(A) Pair of antennae
(B) Three pairs of legs
(C) Pair of wings
(D) All of the above

Answer
Three pairs of legs

Which of the following statements is true about Entomology?
(A) The study of Birds
(B) The study of Insects
(C) The study of Microbes
(D) The study of Parasitic worms

Answer
The study of Insects

Perinatal transmission is said to occur when a pathogen is transmitted from
(A) Non-human to human
(B) Infected to uninfected
(C) Mother to infant
(D) All of the above

Answer
Mother to infant

If a disease jumps from a non-human animal to a human, then it is termed as
(A) Zoonotic disease
(B) Infectious disease
(C) Congenital disease
(D) Iatrogenic disease

Answer
Zoonotic disease

Nipah henipavirus is a ______ borne virus
(A) Water
(B) Bat
(C) Air
(D) None of these

Answer
Bat

How does Ebola spread from human to human?
(A) Spreads through direct contact with blood and bodily fluids
(B) Spreads through inhaling infected droplets
(C) Spreads through contaminated water
(D) None of these

Answer
Spreads through direct contact with blood and bodily fluids

The 1918 flu pandemic, also called the Spanish Flu was caused by
(A) H1N1 influenza A virus
(B) SARS coronavirus 2
(C) Influenza C virus
(D) Simian virus 5

Answer
H1N1 influenza A virus

Lyme disease is transmitted to humans through
(A) Touching an infected person
(B) the bite of infected blacklegged ticks
(C) Both A and B
(D) None of These

Answer
the bite of infected blacklegged ticks

Creutzfeldt-Jakob disease (vCJD) can be contracted only if
(A) Consume nerve tissues (brain and spine) of cattle infected with Mad cow disease
(B) Consume shrimp infected with E.coli
(C) Consume water tainted with E.coli
(D) None of these

Answer
Consume nerve tissues (brain and spine) of cattle infected with Mad cow disease

The bacterium Yersinia pestis causes
(A) Bubonic Plague
(B) Rubella
(C) Roseola
(D) measles

Answer
Bubonic Plague

The earliest recorded pandemic – the Black Death was speculated to be
(A) Plague
(B) Rabie
(C) Leprosy
(D) None of these

Answer
Plague

Which of the following parts acts as an endocrine gland after ovulation?
(A) Vitelline membrane
(B) Stroma
(C) Germinal epithelium
(D) Graafian follicle

Answer
Graafian follicle

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