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.

Why does a thin layer of oil appear colored on the surface of water?

A. due to reflection
B. due to interference
C. due to diffraction
D. due to polarization
Answer» C. due to diffraction
2.

What does virus mean in Latin?

A. sweet
B. Small
C. liquid
D. poison
Answer» E.
3.

Which disease is caused by bacterial infection?

A. chicken pox
B. mumps
C. leprosy
D. asthma
Answer» D. asthma
4.

Plants that grow on rocks are called?

A. Epidemiological
B. लवणोद्भिद्
C. Marudbhid
D. Shailodbhid
Answer» E.
5.

Which acid is formed during the formation of curd from milk?

A. acetic acid
B. ascorbic acid
C. citric acid
D. lactic acid
Answer» E.
6.

Plasmodium is the carrier of the parasite?

A. tick
B. Mosquito
C. fly
D. lice
Answer» C. fly
7.

Why do leaves appear green?

A. reflect all characters
B. Reflection of green color and absorption of remaining color
C. no effect of light on leaves
D. Absorption of green foliage only
Answer» C. no effect of light on leaves
8.

Which substance has the highest specific energy?

A. Iron
B. copper
C. Mercury
D. Water
Answer» E.
9.

Bone is used as manure, because plant element is available in it?

A. nitrogen
B. Phosphorus
C. sodium
D. potassium
Answer» C. sodium
10.

A collection of local flora is called?

A. Herbarium
B. Auditorium
C. sanatorium
D. Planetarium
Answer» B. Auditorium
11.

Theblue babytheory is due to the presence of excess amount of one of the following in water?

A. Phosphates
B. sulfates
C. carbonates
D. nitrates
Answer» E.
12.

What are the types of microscope lenses?

A. Elevation
B. concave
C. concave, concave
D. plane lens
Answer» B. concave
13.

Potato is a modified form (product) of?

A. root
B. leaf
C. flower
D. stem
Answer» E.
14.

Cause of night blindness?

A. VitaminAdeficiency
B. VitaminBdeficiency
C. Vitamin C deficiency
D. Vitamin D deficiency
Answer» B. VitaminBdeficiency
15.

Worldwide H5N1 influenza is called?

A. goat flu
B. Bird flu
C. horse flu
D. cow flu
Answer» C. horse flu
16.

What is the function of blood pigment?

A. transport oxygen
B. kill bacteria
C. to treat anemia
D. use energy
Answer» B. kill bacteria
17.

What is the structural and functional unit of kidney?

A. urinary canal
B. kidney tubules
C. urinary bladder
D. liver
Answer» C. urinary bladder
18.

Which disease is usually spread by fleas?

A. chicken pox
B. tetanus
C. typhus
D. yellow fever
Answer» E.
19.

What is the biological clock in humans called?

A. pinium work
B. thymus
C. thyroid
D. hypothalamus
Answer» B. thymus
20.

Which was the first artificial satellite?

A. Sputnik - 1
B. Explorer - 1
C. Aryabhata
D. Luna - 3
Answer» B. Explorer - 1
21.

Which alloy is stainless steel?

A. chromium and carbon
B. Chromium, Nickel and Iron
C. Chromium and Iron
D. carbon and iron
Answer» C. Chromium and Iron
22.

Insulin secretes the hormone?

A. pancreatic alpha cells
B. beta cells of pituitary
C. beta cells of langerhans dipoles
D. delta cells
Answer» D. delta cells
23.

What is the time period of the pendulum of a second?

A. 1 second
B. 2 seconds
C. 0 . 5 seconds
D. 5 seconds
Answer» C. 0 . 5 seconds
24.

Image of an object in farsightedness. . .

A. the eye will form behind the retina
B. the eye will form in front of the retina
C. does not reflect
D. will depend on the age of the person
Answer» B. the eye will form in front of the retina
25.

What is the average heartbeat of a young person per minute?

A. 60
B. 72
C. 84
D. 96
Answer» C. 84
26.

In which layer of the atmosphere 90% ozone is found?

A. Troposphere
B. stratosphere
C. ionosphere
D. Meridian
Answer» C. ionosphere
27.

Lactose is made from . . .

A. Glucose + Fructose
B. Glucose + Glucose
C. Glucose + galactose
D. Fructose + fructose
Answer» D. Fructose + fructose
28.

Pebrin is a disease of which of the following?

A. aphids
B. chicken
C. silkworm
D. honey bee
Answer» D. honey bee
29.

What is the contribution of methane to global warming?

A. 60 percent
B. 40 percent
C. 5 percent
D. 20 percent
Answer» E.
30.

The part of the body in which the synthesis of vitamin D takes place?

A. liver
B. skin
C. thymus
D. adrenal
Answer» C. thymus
31.

What is the reason for the special smell of garlic?

A. chloro component
B. sulfur component
C. fluorine component
D. Acidic Acid
Answer» C. fluorine component
32.

Where is Solius muscle disease located?

A. at the bottom of the foot
B. forearm
C. torso
D. upper leg
Answer» B. forearm
33.

Select the wrong pair?

A. Dengue fever - thrombocytopenia
B. NS . Mother V - D. N. a . virus
C. Varnandhati - a sexually transmitted disease
D. Pineal What - Inactive Third Eye
Answer» C. Varnandhati - a sexually transmitted disease
34.

What is the function of blood pigment (hemoglobin)?

A. transporting oxygen
B. kill bacteria
C. redress
D. use energy
Answer» B. kill bacteria
35.

The gastrulation process is complete when . . .

A. arctron gets built
B. all three generative levels become
C. The yolk is spent in the egg
D. Do all the parts become indestructible?
Answer» B. all three generative levels become
36.

Where is the National Institute of Communicable Diseases located?

A. in Chennai
B. in Dehradun
C. in New Delhi
D. in Bhubaneshwar
Answer» D. in Bhubaneshwar
37.

2 - 4 D happens, one

A. herbicide
B. insecticide
C. Commentary
D. malaria drug
Answer» B. insecticide
38.

Which one is always found naturally in nature?

A. Gold
B. silver
C. sodium
D. copper
Answer» B. silver
39.

Who conducted experiments on the plant Einothera lamarckiana?

A. Hugo De Breeze
B. lamarck
C. Darwin
D. weedmann
Answer» B. lamarck
40.

Not a real fish?

A. silver fish
B. dogfish
C. catfish
D. sea ​​horse
Answer» B. dogfish
41.

What will be the weight of an object on the Moon compared to the Earth?

A. half
B. 6 times less
C. double
D. 6 times more
Answer» C. double
42.

The body covering of liver fluke is called?

A. Pelical
B. tegmentus
C. cellular epidermis
D. tegument
Answer» B. tegmentus
43.

According to Calvin-Benson cycle, the first product collected during photosynthesis is?

A. phosphoglyceraldehyde
B. phosphoglyceric acid
C. oxaloacetic acid
D. xylose phosphate
Answer» C. oxaloacetic acid
44.

Which isomerism is not possible in diylkylamine compounds?

A. series isomerism
B. maneuverability
C. position isomerism
D. mediocrity
Answer» C. position isomerism
45.

Which gas is used in the manufacture of vegetable ghee? is he?

A. oxygen
B. nitrogen
C. hydrogen
D. CO₂
Answer» D. CO₂
46.

What is the correct sequence of different stages in the life cycle of malaria parasite?

A. oocyte, zygote, sporozoite, oocyst
B. zygote, oocyte, oocyst, sporozoite
C. zygote, oocyte, sporozoite, oocyst
D. oocyte, zygote, oocyst, sporozoite
Answer» C. zygote, oocyte, sporozoite, oocyst
47.

If the power of the specified lens is 2.0 f , this means that . . .

A. The fixed lens is convex and its lens is convex and its focal length is +0. is 50m.
B. The fixed lens is concave and its lens is convex and its focal length is +0. is 50m.
C. The fixed lens is concave and its lens is convex and its focal length is +2. is 00m.
D. The fixed lens is convex and its lens is convex and its focal length is +2. is 00m.
Answer» B. The fixed lens is concave and its lens is convex and its focal length is +0. is 50m.
48.

Which of the following is added to natural rubber to make it stronger and more elastic?

A. Sulphur
B. Platinum
C. Nickel
D. alumina
Answer» B. Platinum
49.

Which acid is considered abasic chemicalin the chemical industry?

A. H₂CO₃
B. HNO₃
C. H₂SO₄
D. HCl
Answer» D. HCl
50.

Which of the following is the first satellite of India?

A. Apple
B. sputnik
C. Aryabhata
D. Apollo
Answer» D. Apollo