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.

Functions of the carbohydrates include all but

A. production of fats
B. production of amino acids
C. formation of antibodies to combat disease
D. production of cellulose cell wall
Answer» D. production of cellulose cell wall
2.

Muscles are mostly made up of

A. starch
B. proteins
C. cellulose
D. fiber
Answer» B. proteins
3.

In rigorous exercises, fatigue results due to

A. high concentration of lactic acids
B. high concentration of ethanol
C. a loss of oxygen debt
D. partial breakdown of glucose
Answer» B. high concentration of ethanol
4.

In order to get glucose, enzyme maltase shall be applied to

A. starch
B. maltose
C. glycogen
D. galactose
Answer» C. glycogen
5.

After decomposition of household sewage, the dried substance results in

A. fertilizer
B. sludge
C. all of these
D. land fill
Answer» D. land fill
6.

Purpose of endocrine glands is to secrete hormones

A. outside the body
B. inside the body
C. XX
D. XX
Answer» C. XX
7.

Fats, amino acids and proteins are formed through

A. water
B. glucose
C. cellulose
D. glycogen
Answer» C. cellulose
8.

The number of sepals in Clitoria flowers are

A. 5
B. 4
C. 7
D. 6
Answer» B. 4
9.

The beriberi diseases originated in

A. England
B. France
C. Sweden
D. China
Answer» E.
10.

In any community, various populations live

A. independently
B. interdependently
C. XX
D. XX
Answer» C. XX
11.

More and more water is pulled by xylem

A. as the rate of photosynthesis increases
B. as the cuticular transpiration increases
C. if plant has a rich supply of water
D. when the cell sap becomes concentrated after water loss
Answer» E.
12.

Sugar results after the hydrolysis of

A. carbohydrates
B. peptones
C. fats
D. trace elements
Answer» B. peptones
13.

Sieve tubes are assisted through

A. lignin
B. lumen
C. pits
D. companion cells
Answer» E.
14.

Hydrophytes may be

A. fully submerged
B. partially submerged
C. all of these
D. free floating
Answer» D. free floating
15.

A balanced diet for one person may be suitable for

A. all other persons
B. growing children
C. no other person
D. pregnant women
Answer» D. pregnant women
16.

The features of upper stalked spikelet and the lower sessile spikelet are

A. differ in terms of number of stamens
B. essentially similar
C. XX
D. absence or presence of lodicules
Answer» C. XX
17.

Lactose can by hydrolyzed in glucose and galactose in the presence of enzyme

A. maltase
B. lactase
C. lipases
D. sucrose
Answer» C. lipases
18.

Sulphur and phosphorus are often present in

A. fats
B. proteins
C. glucose
D. carbohydrates
Answer» C. glucose
19.

Hair cover is no longer an efficient insulator in

A. water
B. strong winds
C. Alaska
D. arctic pole
Answer» B. strong winds
20.

The carbon dioxide taken in night is stored in the form of

A. chemical energy
B. dark energy
C. none of these
D. physical energy
Answer» B. dark energy
21.

The bread and cereal group is rich in

A. carbohydrates
B. minerals
C. vitamins
D. fats
Answer» B. minerals
22.

Cretinism results due to

A. lesser thyroxin
B. excess of adrenaline
C. lesser keratin
D. excess insulin
Answer» B. excess of adrenaline
23.

Due to lack of protoplasm, these are not considered cells.

A. Virus
B. Bacteria
C. all of these
D. Fungi
Answer» B. Bacteria
24.

Cell surface membrane is also called as

A. Nuclear Envelop
B. Plasma membrane
C. None of these
D. Nuclear Membrane
Answer» C. None of these
25.

Placenta

A. is part of the fruit
B. connects the funicle to the ovary
C. XX
D. may contain many fruits
Answer» B. connects the funicle to the ovary
26.

The path of water through the root

A. breaks phloem along the radii of root
B. helps keep phloem intact
C. does not need help from the piliferous layer
D. can also be done without osmosis
Answer» B. helps keep phloem intact
27.

Hair are produced by

A. dermis
B. epidermis
C. none of these
D. both of these
Answer» C. none of these
28.

In carbohydrates, the ratio of hydrogen and oxygen is

A. 0.125694444444444
B. 0.0840277777777778
C. 0.0423611111111111
D. 0.0847222222222222
Answer» C. 0.0423611111111111
29.

When one gram of fats is completely burnt, the amount of energy released is

A. 26-30 kilojoules
B. 20-25 kilojoules
C. 36-40 kilojoules
D. 31-35 kilojoules
Answer» D. 31-35 kilojoules
30.

Fats are present in the protoplasm especially in the

A. protoplasmic membranes
B. cell sap
C. centrioles
D. cytoplasm
Answer» B. cell sap
31.

Organelle playing an active part in cell division is called as

A. chromatin
B. centriole
C. Mitochondrion
D. Nucleoli
Answer» C. Mitochondrion
32.

All is true for Voodoo lily, but

A. its helps plant in reproduce
B. the flies stay away due to rotten fresh smell
C. insects are attracted for pollination
D. more smelling compounds are vaporized due to heat
Answer» C. insects are attracted for pollination
33.

Neurilemma

A. sinks down at the node of Ranvier
B. insulates myelin sheath
C. all of these
D. is a bundle of nerve fiber
Answer» B. insulates myelin sheath
34.

Formation of essential components of bacterium cell wall is inhibited by

A. Erythromycins
B. Tetracycline
C. both of these
D. none of these
Answer» D. none of these
35.

Glucose, fructose and galactose are

A. polymer sugar
B. simple sugars
C. compound sugar
D. complex sugar
Answer» C. compound sugar
36.

To grow, repair and reproduce, more and more

A. protoplasm is needed
B. cytoplasm is needed
C. chromatins are needed
D. centrioles are needed
Answer» B. cytoplasm is needed
37.

Peristalsis is enabled through

A. vitamins
B. minerals
C. Dietary fiber
D. trace elements
Answer» D. trace elements
38.

Metals is produced as waste in industries like

A. mining
B. skiing
C. digging
D. electroplating
Answer» E.
39.

carbohydrates fats, proteins, vitamins and minerals are the form of

A. genetic variability
B. self pollination
C. XX
D. colonization of plants
Answer» B. self pollination
40.

Elements of carbon, hydrogen and oxygen are present in

A. carbohydrates
B. fats
C. both of these
D. none of these
Answer» D. none of these
41.

Galactose and lactose are commonly found in

A. mammals
B. animals other than mammals
C. plants
D. microscopic organisms
Answer» B. animals other than mammals
42.

In order to float, water weeds have

A. poorly developed supporting tissues
B. poorly developed vascular bundles
C. XX
D. air spaces to help paant float
Answer» E.
43.

The features of Clitoria Style do not include

A. short
B. hairy just below the stigma
C. XX
D. curved
Answer» B. hairy just below the stigma
44.

Due to short distance between the lungs and the heart, the walls of right ventricle are

A. thinner than the left atrium
B. thicker than the left ventricle
C. thinner than the left ventricle
D. thicker than the right atrium
Answer» D. thicker than the right atrium
45.

Inorganic nutrients include

A. vitamins
B. water
C. carbohydrates
D. fiber
Answer» C. carbohydrates
46.

Risks of flood increases if

A. if more tress are planted
B. more smog occurs
C. if greenhouse effect increases
D. if soil erosion is prevented
Answer» D. if soil erosion is prevented
47.

More light can be absorbed near the leaf surface due to

A. more chloroplast in lower epidermis
B. more chloroplast in upper epidermis
C. more chloroplasts in upper palisade tissues
D. more chloroplasts in stomata
Answer» D. more chloroplasts in stomata
48.

Piliferous layer is found in zone of

A. cell elongation
B. cell multiplication
C. all of these
D. cell maturation
Answer» E.
49.

More sweat helps the body to

A. loose more latent heat
B. gain more latent heat
C. none of these
D. inefficiently loose heat
Answer» B. gain more latent heat
50.

Fats does not help in

A. storage
B. dark stage of photosynthesis
C. cellular respiration
D. developing new protoplasm in leaves
Answer» C. cellular respiration