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.

Activities of living organisms can be recorded through

A. capturing, isolation
B. observation, experimentation
C. all of these
D. experiment, locomotion
Answer» C. all of these
2.

Renal artery and renal vein join kidney at

A. ureters
B. renal pelvis
C. hilus
D. cortex
Answer» D. cortex
3.

Functions of liver does not include

A. detoxication of alcohol
B. digestion of fats
C. iron storage
D. carbohydrate digestion
Answer» E.
4.

Diabetes often results due to

A. inability of pancreas to secrete insulin
B. conversion of glucose to glycogen
C. unhealthy and inactive life styles
D. less water intake in diet
Answer» B. conversion of glucose to glycogen
5.

According to healthy diet pyramid, fat, salt and sugar shall be

A. shall be eliminated to avoid cholesterol, blood pressure and diabetes
B. eaten more often
C. shall be eaten least
D. shall be eaten only sometimes
Answer» D. shall be eaten only sometimes
6.

The dry mass of germinating seed increases

A. when the cotyledons are shed
B. when the water is absorbed
C. XX
D. when the foliage leaves become photosynthetic
Answer» E.
7.

Pulmonary arteries carry

A. bluish red deoxygenated blood
B. red oxygenated blood
C. oxygenated blood from lungs to heart
D. deoxygenated blood from heart to the lungs
Answer» E.
8.

Tissue fluid is also called as

A. plasma fluid
B. lymph fluid
C. none of these
D. interstitial fluid
Answer» E.
9.

An overactive thyroid gland may

A. expedite the metabolic rate
B. slow the metabolic rate
C. may increase the pH from 7 to 9 approx.
D. may denature the metabolic enzymes
Answer» B. slow the metabolic rate
10.

In darkness,

A. sugars is converted in starch
B. starch is converted in sugars
C. both of these
D. none of these
Answer» C. both of these
11.

Adenosine triphosphate temporarily store the energy produced with the help of

A. Mitochondrion
B. Chloroplast
C. Centrioles
D. Cell sap
Answer» B. Chloroplast
12.

Underground storage organs include

A. corms
B. bulbs
C. all of these
D. rhizomes
Answer» D. rhizomes
13.

If the other floral parts are inserted below the ovary, the ovary is said to be

A. superior
B. inferior
C. XX
D. XX
Answer» B. inferior
14.

Fleshy scale leaves are found in

A. corm
B. Rhizome
C. bulb
D. stem tuber
Answer» D. stem tuber
15.

Xylem tissues are also called as

A. supportive
B. wood
C. all of these
D. lignin
Answer» D. lignin
16.

Hormones and enzymes can be developed through

A. bacteria
B. virus
C. XX
D. fungus
Answer» E.
17.

After pollens get attached to sticky stigma

A. the androecium gets detached (withers off)
B. the androecium dries
C. flower stops producing nectar as a mechanism to stop further visits of insects and bees
D. the keel petals enclose stamens and stigma again
Answer» E.
18.

Left ventricle forces blood into the

A. pulmonary arch
B. aortic arch
C. none of these
D. superior vena cava
Answer» C. none of these
19.

When the left ventricle contracts, blood is carried in to the

A. pulmonary arch
B. aortic arch
C. inferior vena cava
D. dorsal aorta
Answer» C. inferior vena cava
20.

The flowers of grass are usually

A. form inflorescences
B. single
C. XX
D. XX
Answer» B. single
21.

During tissue respiration, an increased oxidation of glucose occurs due to

A. production of insulin
B. production of thiamine
C. production of adrenaline
D. production of glucagon
Answer» B. production of thiamine
22.

Immunization refers to

A. producing more phagocytes
B. engulfing toxins by phagocytes
C. is a severe medical condition
D. maintain a level of antibodies to confer immunity
Answer» E.
23.

To form cheese, a mixture of bacteria and fungi act upon

A. lactic acid
B. fermented milk sugar
C. all three
D. fats
Answer» D. fats
24.

Thinner center and thicker edge is a characteristic of

A. white blood cells
B. red blood cells
C. antibodies
D. platelets
Answer» C. antibodies
25.

Prothrombin helps in

A. giving red color to the blood
B. fighting against diseases
C. hormones regulations
D. blood clotting
Answer» E.
26.

Flower possessing both the andrecium and gynoecium are called as

A. Hermaphrodite
B. Dioecious
C. XX
D. XX
Answer» B. Dioecious
27.

Hormones from pituitary gland includes

A. oestrogen
B. testosterone
C. all of these
D. progesterone
Answer» D. progesterone
28.

Stimulus for breathing is

A. excess of carbon dioxide in blood
B. lack of oxygen in blood
C. diaphragm movements
D. contraction of alveoli
Answer» B. lack of oxygen in blood
29.

If genetic material from same species is used or species that can naturally breed with the host then the organism generated is

A. transgenic
B. clone genes
C. cross genes
D. cisgenic
Answer» E.
30.

The function of trace elements is to

A. trace the benefit of vitamins
B. trace the benefits of minerals
C. none of these
D. both of these
Answer» D. both of these
31.

In order to recover the fatigue,

A. the lactic acid produces toxins
B. the lactic acid is taken to muscles
C. the lactic acid is converted to glucose
D. the lactic acid is converted to galactose
Answer» D. the lactic acid is converted to galactose
32.

Profuse growth of bacteria result in

A. death of aquatic plants
B. death of algae
C. lesser nutrients in water
D. death of fish
Answer» E.
33.

Runny nose and crying may be the outcomes of

A. downs syndrome
B. hay fever
C. XX
D. Excess tears
Answer» E.
34.

Stomata close

A. in night
B. in very strong wind
C. both of these
D. none of these
Answer» D. none of these
35.

Enzymes are largely

A. Carbohydrates-based
B. fat-based
C. Minerals-based
D. protein-based
Answer» E.
36.

In fungi, the enzymes are secreted through

A. hypha
B. slime capsule
C. multiple nucleoli
D. cytoplasm
Answer» B. slime capsule
37.

If iodine is applied to glycogen-rich food, the resulting color will be

A. blue-black
B. violet
C. brown
D. red
Answer» D. red
38.

Larvae breath through

A. pair of air floats
B. feeding brushes
C. XX
D. pair of spiracles
Answer» E.
39.

Which of the following is not a part of minerals?

A. chlorine
B. manganese
C. iron
D. phosphorous
Answer» C. iron
40.

An inversion of smoke escape occurs if

A. if layer of warm air acts like a lid and does not allow the cold air and smoke to escape
B. layer of warm air continually replaces the cold air
C. if cold air acts as a lid and prevents escape of smoke and sulphur dioxide
D. if hot air and smoke react to form smog
Answer» B. layer of warm air continually replaces the cold air
41.

The wastes of anaerobic respiration includes

A. ethanol
B. lactic acid
C. energy
D. carbon dioxide
Answer» C. energy
42.

While training for long distances, it is better to

A. train at low altitudes
B. train at the ground
C. train at high altitudes
D. eat more proteins
Answer» D. eat more proteins
43.

In grasses, spikelet is formed

A. through pair of flower enclosed and protected by bracts
B. through flower enclosed in bracts
C. XX
D. a pair of bracts
Answer» B. through flower enclosed in bracts
44.

A pH of about 8 is characteristic of

A. fresh water
B. sea water
C. XX
D. XX
Answer» C. XX
45.

Androecium is also called as

A. Pistil
B. stamen
C. XX
D. XX
Answer» C. XX
46.

More water is reabsorbed in blood due to

A. lesser anti-diuretic hormone
B. more anti-diuretic hormone
C. inactivity of pituitary gland
D. active functioning of pancreas
Answer» C. inactivity of pituitary gland
47.

In hypogeal germination, the cotyledons

A. remain below the surface of the soil
B. are carried above the ground
C. XX
D. XX
Answer» B. are carried above the ground
48.

Stamens are not usually pendulous in plants pollinated by

A. insects
B. wind
C. XX
D. XX
Answer» B. wind
49.

The dorsal root of the spinal nerve

A. contains only effector neurons
B. contains only receptor neurons
C. the Dendron's end in the grey matter
D. the axons become sensory fibers
Answer» C. the Dendron's end in the grey matter
50.

The enzyme action depends upon

A. available site
B. active site
C. detachable site
D. recognizable site
Answer» C. detachable site