Explore topic-wise MCQs in Testing Subject.

This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.

1.

A substance which is more than 80% in the cell is-

A. Protein
B. Fat
C. Mineral
D. Water
Answer» E.
2.

A plant cell differ from animal in having-

A. Chloroplast
B. Cell wall
C. Cell membrane
D. Nucleus
Answer» C. Cell membrane
3.

In a living cell what is the site of ribosome formation ?

A. Golgi bodies
B. Endoplasmic reticulum
C. Plasma membrane
D. Nucleolus
Answer» E.
4.

The enzyme found in lysosme is-

A. Cell sap
B. Cytoplasm
C. Nucleoplasm
D. Hydrolytic enzyme
Answer» E.
5.

Kabir was the disciple of -

A. Nanak
B. Ramanuj
C. Shankaracharaya
D. ramananda
Answer» E.
6.

Which organelles in the cell, other than nucleus contains DNA ?

A. Centriole
B. Goalgi apparatus
C. Mitochondrai
D. lysosomes
Answer» D. lysosomes
7.

Suicidal bag of cell is-

A. Lysosomes
B. Ribosomes
C. Nucleosomes
D. Golgibodies
Answer» B. Ribosomes
8.

The early stage of human embryo distinctly possesses-

A. Gill
B. Gill slits
C. External ear
D. Eyehrous
Answer» C. External ear
9.

The cellular and molecular control of programed cell death is known as-

A. Apoptosis
B. Ageing
C. Degeneration
D. Necrosis
Answer» B. Ageing
10.

Which of the following is most primitive ancestor of man ?

A. Homo habilis
B. ramapothecus
C. Australopithecus
D. Homo neanderthalenis
Answer» D. Homo neanderthalenis
11.

Which of the following features of DNA make if unequaly suited to store and transmit genetic information from generation to generation ?

A. Complementary of the two strand
B. Double helix
C. Number of base pairs per turn
D. Sugar Phosphate backbone
Answer» C. Number of base pairs per turn
12.

Which of the following cell organelles play he most significant rule in protein synthesis-

A. Lysosome and centrosome
B. Endoplasmic reticulum and ribosome
C. Golgi apparatus and mitochondria
D. Lysosome and mitochondria
Answer» C. Golgi apparatus and mitochondria
13.

Gita Gobinda the famous poem was written by -

A. Jaychandra
B. Jayadeva
C. Jayasimha
D. Jayant
Answer» C. Jayasimha
14.

Which one of fallowing is a vestigial organ in man ?

A. Muscles ear lobe
B. Teeth
C. Illeum
D. Ear lobe
Answer» B. Teeth
15.

Tusks of elephant are-

A. Cannines
B. Upper incisors
C. Molar
D. Lower incisors
Answer» E.
16.

Ontogeny repeats phylogeny is the brief definition of-

A. Mutation theory
B. Bio genetic law
C. Darwinism
D. Abiogenesis
Answer» C. Darwinism
17.

From the evolutionary point of view, which one among the following is the most primitive animal ?

A. Dolpin
B. Otter
C. Turtle
D. walrus
Answer» D. walrus
18.

Who published the book origin of species by natural selection in 1859 ?

A. Lamarck
B. Darwin
C. Wallace
D. Oparin
Answer» C. Wallace
19.

Wings of pigeon, bat and mosquito exhibit the phenomen on called --

A. Convergent evolution
B. Divergent evolution
C. Atavism
D. All of these
Answer» B. Divergent evolution
20.

The scientist associated with formulation of modern theory of origin of life and having written origin of life was-

A. Oparin
B. Huxley
C. Lamark
D. Darwin
Answer» B. Huxley
21.

Most important theory of general biology was proposed by-

A. Mendal and Morgan
B. Beadle and tatum
C. Watson and Crick
D. Darwin and Wallace
Answer» E.
22.

The first organism were-

A. Saprophytes
B. Autotrophs
C. Heterotrophs
D. None of the above
Answer» D. None of the above
23.

Life appeared first -

A. Soil
B. Air
C. Water
D. Air and water both
Answer» D. Air and water both
24.

Human evolution is originated in-

A. Africa
B. Jawa
C. France
D. China
Answer» B. Jawa
25.

With reference to the evolution of living organism, which one of the following sequence is correct-

A. Octopus--Dolphin--Shark
B. Pangolin--Tortoise--Hawk
C. Salamander-Python--Kangaroo
D. Frog--Crab--Prawn
Answer» D. Frog--Crab--Prawn
26.

Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species ?

A. Isolation
B. Mutation
C. Natural Selecion
D. Sexual reproduction
Answer» B. Mutation
27.

There is no life on moon because of absence of-

A. Water
B. Oxygen
C. Nittogen
D. Hydrogen
Answer» B. Oxygen
28.

In the context of organic evolution, the loss of limbs in snakes is explained by the phenomenon of -

A. Use and disuse of organs
B. Adaption to living in burrows
C. Natural selection
D. Inheritance of acquired characters
Answer» B. Adaption to living in burrows
29.

A true species in Mauritius failed to reproduce because of the extinction of a fruit eating bird. Which one of the following was that bird ?

A. Dove
B. Dodo
C. Condor
D. Skua
Answer» C. Condor
30.

Mendel's principles of inheritance are based on-

A. Vegetative reproduction
B. Asexual reproduction
C. sexual reproduction
D. All of the above
Answer» D. All of the above
31.

Within ecological communities, some species are important in determining the ability of a large number of other species to persist in the community such species are called-

A. Keystone species
B. Allopatric species
C. Sympatric species
D. Threatened species
Answer» B. Allopatric species
32.

Genetics deals with-

A. Mendel's laws
B. Organic evolution
C. DNA structure
D. Heredity and variation
Answer» E.
33.

Sexual reproduction causes genetic variation because of-

A. Blending of genes
B. Chromosomal changes
C. shuffling of genes
D. All of the above
Answer» E.
34.

When one gene controls two or more different characters simultaneously, the phenomena is called-

A. Apomixis
B. Pleiotropy
C. Palyploidy
D. Palyteny
Answer» C. Palyploidy
35.

The first cloned animal Dolly was a -

A. Doy
B. Rabbit
C. Cat
D. Sheep
Answer» E.
36.

Hybridoma technology is a new biotechnological approach for commercial production of-

A. Monoclonal antibodies
B. Interferon
C. Antibiotics
D. alcohol
Answer» B. Interferon
37.

Which one of the following genetic disease is sex-linked?

A. Royal haemophilia
B. Tay-sachs disease
C. Cystic fibrosis
D. Hypertension
Answer» B. Tay-sachs disease
38.

Haemophilia is a genetic disorder which lead to-

A. Decrease in haemoglobine level
B. Rheumatic heart disease
C. Decrease in WBC
D. Non-clotting of blood
Answer» E.
39.

Number of chromosome in a normal human body cell is-

A. 43
B. 44
C. 45
D. 46
Answer» E.
40.

Insect resistant cotton plant have been genetically engineered by inserting a gene from a-

A. Virus
B. Bacterium
C. Insect
D. Plant
Answer» C. Insect
41.

A colour blind person marry with a normal woman, blindness is produced in their-

A. Son
B. Daughter
C. Son of their son
D. Daughter of their daughter
Answer» E.
42.

For a colour blind person red colour appears as-

A. Yellow
B. Blue
C. Green
D. Voilet
Answer» D. Voilet
43.

Double helix model of DNA is given by-

A. Leween hook
B. Satach
C. Watson and Crick
D. Dalton
Answer» D. Dalton
44.

By which combination of chromosome a child will be male-

A. X from male and X from female
B. X from male and Y from female
C. Y from male and X from female
D. Y from male and Y from female
Answer» D. Y from male and Y from female
45.

Who was the Chola King to have conquered Bengal-

A. Rajraja
B. Rajendra I
C. Rajendra II
D. Rajadhiraj
Answer» C. Rajendra II
46.

Which one of the following is a hereditary discease?

A. Cataract
B. Haemophilia
C. Pellagra
D. Osteoporosis
Answer» C. Pellagra
47.

Which one of the following statements is correct?Cretinism is human disorder which is due to the under secretion of-

A. Adrenalin harmone
B. Cortisone harmone
C. Glucagon harmone
D. Thyroxin harmone
Answer» E.
48.

/artificial gene synthesis was first done in laboratory by-

A. Millar
B. Khurana
C. D.Veries
D. Kelvin
Answer» C. D.Veries
49.

How much protein a working woman must intake every day ?

A. 30 g
B. 37 g
C. 40g
D. 45 g
Answer» E.
50.

Who invented the vaccination for small pox-

A. Sir Fredrick Grant Banting
B. Sir Alexander Fleming
C. Edward Jenner
D. Louis Pasteur
Answer» D. Louis Pasteur