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.

Elongation of eyeball causes

A. myopia
B. hypermetropia
C. long sight
D. all of above
Answer» B. hypermetropia
2.

Which of the following are secreted by Islets of Langerhans?

A. insulin and digestive enzymes
B. insulin and glucagon
C. insulin and glucose
D. none of above
Answer» C. insulin and glucose
3.

The major regions of the human brain and brain of other vertebrates are

A. forebrain
B. hindbrain
C. midbrain
D. all of above
Answer» E.
4.

Paralysis is most often by damage to

A. heart
B. muscles
C. stomach
D. brain
Answer» E.
5.

The negative feedback means the output of a process

A. increases
B. remains constant
C. changes
D. decreases
Answer» E.
6.

The disorder of the nervous system which occurs because of the disturbance of the supply of blood to the nervous system is called

A. muscular disorders
B. vascular disorders
C. functional disorders
D. compositional disorders
Answer» C. functional disorders
7.

The inner part of Adrenal gland is called

A. cortex
B. medulla
C. pelvis
D. nephron
Answer» C. pelvis
8.

In human ears, the inner part of the ear comprises of

A. vestibule and cochlea
B. cochlea and stapes
C. cochlea and pinna
D. incus and vestibule
Answer» B. cochlea and stapes
9.

The appendicular skeleton of the human body is composed of

A. 138 bones
B. 134 bones
C. 126 bones
D. 130 bones
Answer» D. 130 bones
10.

Fibrous cartilage is found in

A. pinna
B. larynx
C. trachea
D. invertebral discs
Answer» E.
11.

The sternum bone is present in

A. skull
B. legs
C. chest
D. vertebral column
Answer» D. vertebral column
12.

How many bones are present in the axial skeleton?

A. 50
B. 60
C. 70
D. 80
Answer» E.
13.

The number of hard bones in the adult skeleton is

A. 206 bones
B. 212 bones
C. 306 bones
D. 315 bones
Answer» B. 212 bones
14.

The passing of traits to offsprings from their parents is called

A. reproduction
B. fertilization
C. genetics
D. inheritance
Answer» E.
15.

The two chromosomes in a pair are classified as

A. heterologous chromosomes
B. homologous chromosomes
C. homozygous chromosomes
D. heterozygous chromosomes
Answer» C. homozygous chromosomes
16.

The animals that are bred in the artificial selection are classified as

A. cultivars
B. traitors
C. breeds
D. varieties
Answer» D. varieties
17.

What is the term used for a cross in which only one trait is studied at a time?

A. dihybrid cross
B. monohybrid cross
C. homozygous
D. heterozygous
Answer» C. homozygous
18.

If Bb is a gene pair of an individual then the alleles for this gene pair are

A. a and b
B. b and b
C. b and a
D. b and b
Answer» E.
19.

The bag of the skin in which testes are located is called

A. epididymis
B. scrotum
C. prostate gland
D. epicotyls
Answer» C. prostate gland
20.

The embryo is a/an

A. fruit
B. immature plant
C. seed
D. none of above
Answer» C. seed
21.

The examples of suckers are

A. tulip
B. onion
C. carrot
D. mint
Answer» E.
22.

The fluid which contains sperm is called

A. semen
B. scrotum
C. spermatogonia
D. seminal vesicles
Answer» B. scrotum
23.

The process which undergoes into the microspore nucleus is known as

A. binary fission
B. mitosis
C. meiosis
D. calluses
Answer» C. meiosis
24.

The matured pollen grains are transferred to another to another part of the plant called

A. sepal
B. carpel
C. stamen
D. stigma
Answer» E.
25.

The transfer of pollen grains of flowers from the anther to the stigma is called

A. pollination
B. reproduction
C. self fertilization
D. double fertilization
Answer» B. reproduction
26.

After fertilization the ovule becomes

A. seed
B. fruit
C. flower
D. sepals
Answer» B. fruit
27.

The immature plant is known as

A. seed
B. zygote
C. embryo
D. seed coat
Answer» D. seed coat
28.

The opening through which the pollen tube enters ovule is called

A. micropyle
B. radicle
C. hilum
D. Plumule
Answer» B. radicle
29.

The allele that prevents the expression of the other is called

A. recessive allele
B. dominant allele
C. loci
D. phenotype
Answer» C. loci
30.

The nitrogenous base guanine of one nucleotide made the pair in another nucleotide with

A. adenine
B. thymine
C. hydrogen
D. cytosine
Answer» E.
31.

The process in which the ribosome reads the sequence and joins specific amino acids according to it to form a protein is called?

A. translation
B. transcription
C. duplication
D. replication
Answer» B. transcription
32.

The important source of variations are

A. genes
B. chromosomes
C. inheritance
D. mutations
Answer» E.
33.

The kind of breeding which is intended for a particular combination of traits is classified as

A. artificial selection only
B. selective breeding only
C. traits breeding
D. artificial selection and selective breeding
Answer» E.
34.

The types of arthritis include

A. gout
B. osteoarthritis
C. rheumatoid arthritis
D. all of above
Answer» E.
35.

The flexor muscle on the front of the upper arm bone is called

A. biceps
B. triceps
C. muscles
D. tissues
Answer» B. triceps
36.

How many bones are present in the pelvic girdle?

A. 2
B. 4
C. 6
D. 8
Answer» B. 4
37.

The act of changing the position or place of the body parts or the entire body is called

A. movement
B. locomotion
C. skeletal movement
D. non-skeletal movement
Answer» B. locomotion
38.

The matrix of bones and cartilage contain

A. collagen
B. fibers
C. calcium
D. protein
Answer» B. fibers
39.

In a food chain, the first trophic level is made of

A. decomposer
B. producer
C. consumer
D. autotrophs
Answer» C. consumer
40.

Relationship between Rhizobium bacteria and leguminous plants is an example of

A. parasitism
B. mutualism
C. commensalism
D. none of above
Answer» C. commensalism
41.

The carnivores that are fed on secondary carnivores are called

A. tertiary carnivores
B. secondary herbivores
C. primary herbivores
D. tertiary herbivores
Answer» B. secondary herbivores
42.

The living factors of an ecosystem are called

A. antibiotic components
B. biotic components
C. abiotic components
D. decomposers
Answer» C. abiotic components
43.

The carbon cycle is perfect as carbon is returned to the atmosphere as soon as it is

A. produced
B. formed
C. absorbed
D. removed
Answer» E.
44.

The amount of oxygen (O2) present in expired air is

A. 0.16
B. 0.28
C. 0.21
D. 0.25
Answer» B. 0.28
45.

Which of the following reduces the oxygen-carrying capacity of hemoglobin?

A. carbon monoxide
B. sulphur dioxide
C. carbon dioxide
D. tobacco
Answer» B. sulphur dioxide
46.

The bacterium, Streptococcus pneumonia, causes the respiratory disorder known as

A. asthma
B. emphysema
C. bronchitis
D. pneumonia
Answer» E.
47.

The box-like structure which is present between trachea and pharynx is called

A. vocal duct
B. voice box
C. vocal tract
D. vocal cords
Answer» C. vocal tract
48.

As compared to breathing, the processes involved in the respiration includes

A. bio-chemical processes only
B. mechanical processes only
C. non-mechanical processes
D. biochemical and mechanical processes
Answer» E.
49.

What is the optimum temperature range for germination?

A. 10-15 °C
B. 5-10 °C
C. 20-25 °C
D. 25-30 °C
Answer» E.
50.

The first emerging structure from the radicle of the seed is called

A. root
B. shoot
C. stems
D. leaves
Answer» B. shoot