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.

From which part of the Omit is clove, the commonly used spice, obtained -

A. Fruit
B. Flower bud
C. Stern
D. Root
Answer» C. Stern
2.

Amino acids are required for the synthesis of

A. Alkaloids
B. Lipids
C. Proteins
D. Carbohydrates
Answer» D. Carbohydrates
3.

Which one of the following is not an artificial sweetener?

A. Fructose
B. Saccharin
C. Sucralose
D. Aspartame
Answer» B. Saccharin
4.

Bones are pneumatic in -

A. Fishes
B. Amphibians
C. Reptiles
D. Birds
Answer» E.
5.

How many bones are there in the human body?

A. 187
B. 287
C. 206
D. 306
Answer» D. 306
6.

Clove, the commonly used spice,is obtained from the -

A. root
B. stem
C. flower bud
D. fruit
Answer» D. fruit
7.

The total number of bones in the body of an adult human is .

A. 205
B. 206
C. 216
D. 636
Answer» C. 216
8.

Total number of bones in man is -

A. 206
B. 266
C. 300
D. 306
Answer» B. 266
9.

Which of the following is the hardest substance in the human body?

A. Bone
B. Enamel
C. Dentine
D. Nail
Answer» C. Dentine
10.

Which of the following is the longest vein in the human body?

A. Trochlear
B. Inferior vena cava
C. Saphenous vein
D. Trigeminal
Answer» D. Trigeminal
11.

Molybdenum deficiency affects the activity of

A. All of the given options
B. Chlorate reductase
C. Nitrogenase
D. Nitrate reductase
Answer» E.
12.

The colour change in the Chameleon is due to the presence of -

A. Haemoglobin
B. Chromatophore
C. Chlorophyll
D. Pneumatophore
Answer» C. Chlorophyll
13.

When day light hours are increased, the rate of photosynthesis:

A. Increase
B. Decrease
C. Remains same
D. None of the above
Answer» D. None of the above
14.

Which of the following is not required for seed germination ?

A. Water
B. Air
C. Sunlight
D. Suitable temperature
Answer» D. Suitable temperature
15.

Ecology deals with:

A. Birds
B. Cell formation
C. Relation between organisms and their environment
D. Tissues
Answer» D. Tissues
16.

Exobiology deals with the study of -

A. external characters of living organisms
B. life on the surface of the earth
C. life in the outer layers of atmosphere
D. life in other planets and space
Answer» E.
17.

Fist is a first class protein as it Contains -

A. essential amino acids
B. non-essential amino acids
C. all essential fatty acids
D. no amino acid
Answer» B. non-essential amino acids
18.

Which of the following is known as suicide bags of the cell ?

A. Mitochondria
B. Golgi Bodies
C. Lysosomes
D. Ribosomes
Answer» D. Ribosomes
19.

Which of the following is known as 'grave yard' of RBCs?

A. Liver
B. Bone marrow
C. Spleen
D. Appendix
Answer» D. Appendix
20.

Maximum photosynthetic activity occurs in -

A. blue and red region of light
B. green and yellow region of light
C. blue and orange region of light
D. violet and orange region of light
Answer» B. green and yellow region of light
21.

The hydrophilic nature of DNA is due to the presence of -

A. thymine base
B. a number of hydrogen bonds
C. phosphate group
D. deoxyribose sugar
Answer» C. phosphate group
22.

Which fruit has its seed out?

A. Strawberry
B. Banana
C. Groundnut
D. Cashew nut
Answer» B. Banana
23.

Who is the father of Biology?

A. Lamarck
B. Robert Hooke
C. Aristotle
D. Pasteur
Answer» D. Pasteur
24.

The science dealing with the study of teeth is -

A. Odontology
B. Ornithology
C. Phenology
D. Cosmology
Answer» B. Ornithology
25.

Odontokgy is the branch of science which deals with the study of

A. Teeth
B. Ontogeny
C. Bone
D. Ageing
Answer» B. Ontogeny
26.

Which of the following are also known as 'Suicidal Bag of Cells'?

A. Lysosomes
B. Lycosome
C. Nucleus
D. Chromosome
Answer» B. Lycosome
27.

Panda belongs to the same family as that -

A. Kangaroo
B. Porcupine
C. Whale
D. Bear
Answer» E.
28.

In which part of the eye lies the pigment that decides the colour of the eyes of a person ?

A. Corea
B. Choroid
C. Iris
D. Vitreous body
Answer» D. Vitreous body
29.

The pigment involved in photosynthetic activity is -

A. anthocyanin
B. fucxanthin
C. carotenoid
D. chlorophyll
Answer» E.
30.

Which one of the following is not a photosynthetic pigment?

A. Chlorophyll
B. Phycobilin
C. Carotenoid
D. Arthocyanin
Answer» E.
31.

Which of the following is known as the graveyard of RBC?

A. Liver
B. Spleen
C. Brain
D. Heart
Answer» C. Brain
32.

DNA contains -

A. Pentose sugar
B. Hexose sugar
C. Erythrose sugar
D. Sedoheptulose sugar
Answer» B. Hexose sugar
33.

Inhibition of photosynthesis in the presence of O2 in C3 plants is called-

A. Hexose monophosphate shunt
B. Pasteur effect
C. Decker effect
D. Warburg effect
Answer» E.
34.

Increased RBC's in the blood leads to a condition called -

A. Anemia
B. Haemophilia
C. Polycythemia
D. Leukaemia
Answer» D. Leukaemia
35.

Which of the following is true for photoperiodic?

A. It occurs only in plants
B. It is related to flowering in plants
C. It is related to feathers of animals
D. It is the reaction of organisms to the length of day or night
Answer» E.
36.

Which one of the followings is/are correct definition of Habitat?

A. A complex of several types of communities
B. Natural environment of a living organism
C. The place where one would go find the particular living organism.
D. Natural environment of a living organism and the place where one would go find the particular living organism.
Answer» E.
37.

The branch of biology dealing with the study of cells is known as -

A. Cytology
B. Histology
C. Psychology
D. Physiology
Answer» B. Histology
38.

Identify the correct statement with respect to Biogas.

A. Mixture of gases from volcanoes
B. Gas produced from certain crude oil wells
C. Gas produced by incomplete combustion of biomass
D. Gas produced by fermentertian of biomass
Answer» E.
39.

Which one of the following set belongs to the class Mammalia?

A. Lion, Hippopotamus, Penguin, Bat
B. Lion, Bat, Whale, Ostrich
C. Hippopotamus, Penguin, Whale, Kangaroo
D. Whale, Bat, Kangaroo, Hippopotamus
Answer» E.
40.

Root Hairs arise from -

A. Cortex
B. Pericycle
C. Epidermis
D. Endodermis
Answer» D. Endodermis
41.

Voralloid root' of Gyms helps in

A. Absorption of water
B. Absorption of water and fixation of Nitrogen
C. Anchorage
D. Transport of food
Answer» C. Anchorage
42.

'ELISA' test is employed to diagnose -

A. Polio virus
B. AIDS antibodies
C. Tuberculosis bacterium
D. Cancer
Answer» D. Cancer
43.

The life span of RBC of man is -

A. 120 days
B. 150 days
C. 180 days
D. 190 days
Answer» C. 180 days
44.

A group of genes whose activity is coordinated by a DNA site is

A. operon
B. cistron
C. polysome
D. polypeptide
Answer» B. cistron
45.

Which of the following animals has a clitellum?

A. Millipede
B. Centipede
C. Earthworm
D. Ringworm
Answer» D. Ringworm
46.

Which one of these animals is jawless -

A. Sphyrna
B. Trygon
C. Myxine
D. Shark
Answer» D. Shark
47.

A cellulosic wall is found in the cells of -

A. animals
B. bacteria
C. fungi
D. plants
Answer» E.
48.

Root nodules are commonly found in

A. Parasitic plants
B. Epiphytic plants
C. Leguminous plants
D. Aquatic plants
Answer» D. Aquatic plants
49.

The plant that behaves as a root parasite is -

A. Ficus
B. Santalum
C. Cuscuta
D. Euphorbia
Answer» D. Euphorbia
50.

Number of the pairs of the spinal nerves are:

A. 30
B. 31
C. 33
D. 32
Answer» C. 33