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.

Which forms the largest portion of the coxal bone?

A. Ilium
B. Ischium
C. Pubis
D. None of the above
Answer» B. Ischium
2.

Which feature of the cell allows or permits the entry and exit of some materials in and out of the cell?

A. Cytoplasm
B. Protoplasm
C. Cell wall
D. Plasma membrane
Answer» E.
3.

Which feature of a plant helps to distinguish a monocot from a dicot?

A. pollination
B. venation
C. vernation
D. aestivation
Answer» C. vernation
4.

Which feature is shared by all monosaccharides?

A. In their linear forms, they all contain a carbonyl and several hydroxyl functional groups.
B. They are all pentoses.
C. They all contain more than one sugar.
D. In their linear forms, they all contain a carboxyl and several hydroxyl functional groups.
Answer» B. They are all pentoses.
5.

Which feature do Prokaryotic and Eukaryotic cells share

A. Nucleus
B. DNA
C. Nuclear membrane
D. Membrane bound Organelles
Answer» C. Nuclear membrane
6.

Which factor affects the heart rate in mammals?

A. Need for oxygen
B. RBC count in blood
C. Blood type
D. All the above
Answer» B. RBC count in blood
7.

Which event occurs during interphase?

A. Centrioles appear
B. Spindle fibers begin to form
C. The cell grows
D. Centromeres divide
Answer» D. Centromeres divide
8.

Which enzyme is present in all members of the animal kingdom except Protozoa?

A. Insulin
B. Pepsin
C. Renin
D. Amylase
Answer» E.
9.

Which enzyme has been used by scientists of Massachusetts Institute of Technology to induce plants to give off dim light?_x005F_x000D_

A. Carotenogen
B. Luciferase
C. Reductase
D. Peroxidase
Answer» C. Reductase
10.

Which enzyme digests proteins in the stomach?

A. Trypsin
B. Pepsin
C. Salivary amylase
D. Pancreatic canal
Answer» C. Salivary amylase
11.

Which drug is used to cure Incontinence?

A. Oxybutynin
B. Ranitidine
C. Azithromycin
D. Levothyroxine
Answer» B. Ranitidine
12.

Which drug is used to cure Glaucoma?

A. Fexofenadine
B. Ketoconazole
C. Latanoprost
D. Ibuprofen
Answer» D. Ibuprofen
13.

Which drug is used as an Anti-Inflammatory?

A. Metformin
B. Diazepam
C. Latanoprost
D. Prednisone
Answer» E.
14.

Which drug is used as an Anti­Biotic?

A. Metformin
B. Ranitidine
C. Azithromycin
D. Ibuprofen
Answer» D. Ibuprofen
15.

Which drug is used as an Anti­-Diabetic drug?

A. Metformin
B. Zolpidem
C. Promethazine
D. Hydralazine
Answer» B. Zolpidem
16.

Which drug is used as an Anti-Histamine?

A. Fexofenadine
B. Ranitidine
C. Promethazine
D. Ibuprofen
Answer» D. Ibuprofen
17.

Which drug is used as an Anti-Anxiety drug?

A. Warfarin
B. Diazepam
C. Latanoprost
D. Hydralazine
Answer» C. Latanoprost
18.

Which disease is caused due to deficiency of Iron?

A. Beriberi
B. Tetany
C. Kwashiorkor
D. Anaemia
Answer» E.
19.

Which disease is caused due to deficiency of Iodine?

A. Rickets
B. Scurvy
C. Goitre
D. Growth retardation
Answer» D. Growth retardation
20.

Which diabetes requires insulin shots?

A. Type 2
B. Type 1
C. Both 1 & 2
D. None
Answer» C. Both 1 & 2
21.

Which describes the correct pairing of DNA bases?

A. guanine - cytosine
B. adenine - cytosine
C. guanine - thymine
D. thymine - cytosine
Answer» B. adenine - cytosine
22.

Which describes how mRNA is used by a cell?

A. It is used to move information to other cells.
B. It is used to check DNA for mutations.
C. It is used to replicate DNA for mitosis.
D. It is used to transfer genetic information.
Answer» E.
23.

Which component of the blood transports food, CO2 and nitrogenous waste?

A. WBCs
B. Blood platelets
C. RBCs
D. Plasma
Answer» E.
24.

Which component in tobacco makes it harmful for human consumption?

A. Morphine
B. Nicotine
C. Heroin
D. None of these
Answer» C. Heroin
25.

Which chemical is not found in DNA nucleotides?

A. Thymine
B. Uracil
C. Adenine
D. All of the above
Answer» C. Adenine
26.

Which cells in pancreas produce Insulin ?

A. Thymus
B. Estrogen
C. Corpus epididymis
D. Islets of Langerhans
Answer» E.
27.

Which cells are destroyed in AIDS

A. Monocytes
B. Neutrophils
C. Lymphocytes
D. R.B.C.
Answer» D. R.B.C.
28.

Which cells give rise to various organs of the plant and keep the plant growing?

A. Permanent
B. Dermal
C. Meristematic
D. Mature
Answer» D. Mature
29.

Which cell organelle is called the Master of the Cell?

A. Endoplasmic reticulum
B. Mitochondria
C. Nucleolus
D. Nucleus
Answer» E.
30.

Which cell feature is responsible for making proteins?

A. Chromosomes
B. Nucleus
C. Ribosomes
D. Cytoplasm
Answer» D. Cytoplasm
31.

Which can disrupt the cell cycle?

A. Mutation
B. Replication
C. Both A & B
D. None of the above
Answer» E.
32.

Which cell disorder in our body is responsible for colour blindness?

A. WBC
B. Cone cell
C. Rod Cell
D. Neuron
Answer» C. Rod Cell
33.

Which category of compound is most concentrated energy source?

A. Fats
B. Starch
C. Proteins
D. Vitamins
Answer» B. Starch
34.

Which body part will be effected with the disease leprosy?

A. blood
B. legs
C. skin
D. brain
Answer» D. brain
35.

Which blood type contains the a antigen only?_x005F_x000D_

A. Blood type B
B. Blood type A
C. Blood type O
D. All blood types
Answer» C. Blood type O
36.

Which blood group is called universal donor?

A. AB-
B. O-
C. AB+
D. O+
Answer» C. AB+
37.

Which blood group is universal donor?

A. O+
B. O–
C. AB–
D. AB+
Answer» C. AB–
38.

Which blood group is universal acceptor?

A. O+
B. O–
C. AB–
D. AB+
Answer» E.
39.

Which best matches the description with the genetic material?

A. Chromosomes are located in the cytoplasm.
B. DNA is located in the nucleus.
C. Nucleotides form a helical structure that is called a gene.
D. Chromosomes create genes.
Answer» C. Nucleotides form a helical structure that is called a gene.
40.

Which best summarizes the concept of natural selection?

A. the fittest organisms survive and reproduce
B. an organism will always adapt to its environment
C. an organism will always mutate to survive
D. a mutation always makes a species fitter
Answer» B. an organism will always adapt to its environment
41.

Which best describes transformation in bacteria?

A. Bacteria take DNA from their environment.
B. Bacteria inject DNA into another cell.
C. Bacteria lie dormant for many weeks.
D. Bacteria transfer DNA with a bacteriophage.
Answer» B. Bacteria inject DNA into another cell.
42.

Which best describes the structure of a DNA molecule?

A. A double helix
B. A strand of nucleic acids
C. A single strand of amino acids
D. A sugar ring
Answer» B. A strand of nucleic acids
43.

Which best describes somatic mutations?

A. transmitted to progeny
B. not transmitted to progeny
C. Can't be identified
D. None of the above
Answer» B. not transmitted to progeny
44.

Which best describes Genes?

A. long, double chains of nucleic acids.
B. long, single chains of amino acids.
C. long, single chains of nucleic acids.
D. long, double chains of amino acids.
Answer» B. long, single chains of amino acids.
45.

Which best describes genetic mutations?

A. Genetic mutations that cause diseases are always passed on to offspring.
B. Some inherited genetic mutations can be good for the offspring.
C. Different genetic mutations cause few forms of cancer.
D. Somatic mutations can be inherited from parents or acquired during life.
Answer» C. Different genetic mutations cause few forms of cancer.
46.

Which best describes a tetrad?

A. A diploid cell
B. Two gametes
C. Four chromatids
D. A haploid cell
Answer» D. A haploid cell
47.

Which best describes a gene?

A. a segment of chromosomal DNA
B. tightly coiled strands of DNA
C. different allele forms of a trait
D. None of the above
Answer» B. tightly coiled strands of DNA
48.

Which base is found only in RNA?

A. Thyamine
B. Adenine
C. Uracil
D. Cytosine
Answer» D. Cytosine
49.

Which bacteria cause the greatest harm in the food industry?

A. Recycling
B. Digestive
C. Fermenting
D. Pathogenic
Answer» E.
50.

Which bacterium is used to turn milk to curd?_x005F_x000D_

A. Streptomyces
B. Vibrio
C. Lactobacillus
D. Spirilla
Answer» D. Spirilla