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.

The total number of pea plants used in Mendel's experiment are

A. 32,000 plants
B. 28,000 pea plants
C. 30,000 plants
D. 25,000 plants
Answer» C. 30,000 plants
2.

Main support to our body mass is provided by

A. skeleton
B. vertebral column
C. rib cage
D. spinal cord
Answer» C. rib cage
3.

The number of soft bones in the newborn is

A. 200
B. 400
C. 300
D. 100
Answer» D. 100
4.

The hyaline cartilage is present in the ends of the bones of

A. nose, bronchial tubes and trachea
B. pinna and epiglottis
C. vertebral discs
D. knees and ankles
Answer» B. pinna and epiglottis
5.

In an antagonistic pair, the muscles work

A. parallel
B. opposite
C. equal
D. perpendicular
Answer» C. equal
6.

The types of joints are classified based on

A. number of cartilages
B. degree of movement
C. weight strength
D. number of bones
Answer» C. weight strength
7.

The process of maintaining a balance of internal conditions in the body is called

A. homeostasis
B. peristalsis
C. excretion
D. respiration
Answer» B. peristalsis
8.

Considering disorders of the kidney, the causes of kidney stones are

A. diet with vitamin c and d
B. age
C. less intake of water
D. all of above
Answer» E.
9.

Role in the maintenance of body temperature and removal of excess water and salts is performed by

A. lungs
B. kidney
C. skin
D. pancreas
Answer» D. pancreas
10.

The plants that live on the water or are partially submerged in water are classified as

A. hydrophytes
B. xerophytes
C. halophytes
D. saprophytes
Answer» B. xerophytes
11.

The common example of xerophytes is

A. ladyfinger
B. morning glory
C. water lily
D. cactus
Answer» E.
12.

The time urine is released from the body, it is temporarily stored in

A. urethra
B. urethra
C. urinary bladder
D. gall bladder
Answer» D. gall bladder
13.

The second U-shaped portion of the renal tubule of the kidney is called

A. loop of bowman's capsule
B. loop of glomerulus
C. loop of Henle
D. loop of proximal
Answer» D. loop of proximal
14.

In humans, the urinary system is formed of

A. urethra
B. urinary bladder and urethra
C. pair of kidneys
D. all of above
Answer» E.
15.

The outer protective layer of the skin without blood vessels is called

A. dermis
B. hypodermis
C. epidermis
D. papillary region
Answer» C. epidermis
16.

The rubber plant removes waste material in the form of

A. resins
B. gums
C. latex
D. mucilage
Answer» D. mucilage
17.

The product of photosynthesis is

A. oxygen
B. water
C. salts
D. carbon dioxide
Answer» B. water
18.

Kidney filter excess water, salts, urea and

A. acetic acid
B. uric acid
C. minerals
D. ammonia
Answer» C. minerals
19.

The first step of kidney functions is

A. tubular secretion
B. selective reabsorption
C. pressure filtration
D. glomerular filtrate
Answer» D. glomerular filtrate
20.

About 90% of kidney stones can pass through the urinary system by drinking

A. juices
B. sugary dinks
C. small quantities of water
D. plenty of water
Answer» E.
21.

The hemodialysis treatments are given in a week for

A. one time
B. two times
C. three times
D. four times
Answer» D. four times
22.

The hormone that prepares our body to overcome emergencies is called

A. adrenaline
B. oxytocin
C. vasopressin
D. thyroxin
Answer» B. oxytocin
23.

The nervous system which is composed of ganglia and nerves is classified as

A. temporal nervous system
B. frontal nervous system
C. central nervous system
D. peripheral nervous system
Answer» E.
24.

For the clear vision of any object, the lens of eyes become

A. more concave
B. more convex
C. less concave
D. less convex
Answer» E.
25.

In human eye the number of cones is

A. 8 lakhs
B. 7 lakhs
C. 6 lakhs
D. 5 lakhs
Answer» C. 6 lakhs
26.

The nerve is a sum of several

A. axons enclosed in lipid covering
B. dendrites enclosed in lipid covering
C. interneuron enclosed in fatty acids
D. motor neurons enclosed in sheath
Answer» B. dendrites enclosed in lipid covering
27.

The number of middle ear ossicles in each human ear is

A. six
B. five
C. four
D. three
Answer» E.
28.

The muscle which bends the joint while its contracted is called

A. antagonist muscle
B. flexor muscle
C. extensor muscle
D. insertion muscle
Answer» C. extensor muscle
29.

How many bones are present in feet?

A. 54
B. 56
C. 52
D. 51
Answer» B. 56
30.

Decreased lubricant production at joints causes

A. osteoarthritis
B. rheumatoid arthritis
C. gout
D. osteoporosis
Answer» B. rheumatoid arthritis
31.

The end of the muscle which is attached to some immovable bone is called

A. antagonist
B. origin
C. insertion
D. extensor
Answer» C. insertion
32.

Which of the following reduces irritability or excitement?

A. vaccines
B. sedatives
C. antibiotics
D. analgesics
Answer» C. antibiotics
33.

The vaccine contains weakened or killed

A. bacteria
B. pathogens
C. viruses
D. fungi
Answer» C. viruses
34.

Thiazide diuretics are medicines for lowering

A. blood sugar
B. blood glucose
C. blood plasma
D. blood pressure
Answer» E.
35.

Which of the following comes from a cactus?

A. mescaline
B. psilocin
C. marijuana
D. opium
Answer» B. psilocin
36.

Which of the following are also present in other medications that are not antibiotics?

A. tetracycline's
B. cephalosporin
C. sulfonamides
D. sedatives
Answer» D. sedatives
37.

The outer, dark red portion of the kidney is

A. renal medulla
B. pelvis
C. pyramids
D. renal cortex
Answer» E.
38.

The urethra is a tube that carries urine from the urinary bladder to

A. outside the body
B. ureter
C. rectum
D. anus
Answer» B. ureter
39.

The functional unit of the kidney is

A. glomerulus
B. renal corpuscle
C. nephron
D. loop of Henle
Answer» D. loop of Henle
40.

The inner layer containing blood vessels is

A. ectodermis
B. dermis
C. endodermis
D. hypodermis
Answer» C. endodermis
41.

The angiosperms and gymnosperms are classified as

A. seed plants
B. corals
C. ferns
D. mosses
Answer» B. corals
42.

The inner two whorls of the flower are classified as

A. non-reproductive whorls
B. reproductive whorls
C. haploid whorls
D. diploid whorls
Answer» C. haploid whorls
43.

Onions are reproduced by

A. bulbs
B. corms
C. rhizomes
D. stem tubers
Answer» B. corms
44.

The reproductive system of the male rabbit does not include

A. placenta development
B. pairs of testes
C. ducts to transport sperms
D. glands for secretion to sperm
Answer» B. pairs of testes
45.

Seedless fruits are the result of

A. parthenogenesis
B. parthenocarpy
C. cross pollination
D. self pollination
Answer» C. cross pollination
46.

Consumers that eat animal flesh, as well as plants and plant products, are called

A. omnivores
B. primary consumers
C. secondary consumers
D. top carnivores
Answer» B. primary consumers
47.

Thunderstorms and lightning convert atmospheric nitrogen into

A. nitrates
B. nitrites
C. nitric acid
D. nitric oxide
Answer» B. nitrites
48.

The Ascaris, Entamoeba and Plasmodium are considered as examples of

A. endoparasite
B. ectoparasite
C. digestion parasites
D. synthetic parasites
Answer» B. ectoparasite
49.

The principal decomposers of the biosphere are

A. amoeba
B. virus
C. fungi and bacteria
D. algae
Answer» D. algae
50.

The interaction between abiotic components and biotic community is classified as

A. ecosystem
B. population
C. natural biosphere
D. artificial biosphere
Answer» B. population