Home » General Science » General Science MCQ » Biology

1250 Important Biology MCQ Question and Answer PDF

4000 Important General Science MCQ Question & Answer in PDF Download

1.The cross-section of a stem of tree has fifty rings, what is the age of the tree?

  • A50 months
  • B5 years
  • C25 years
  • D50 years
Answer / Hint Save Question
Correct Answer : (D)

50 years
Explanation:

2.What are the basic units from which human spare parts can be created?

  • ANerve cells
  • BStem cells
  • CHeart cells
  • DKidney cells
Answer / Hint Save Question
Correct Answer : (B)

Stem cells
Explanation:

3.What are the blood corpuscles that help to build up resistance against diseases?

  • ALeucocytes
  • BMonocytes
  • CNeutrophils
  • DLymphocytes
Answer / Hint Save Question
Correct Answer : (A)

Leucocytes
Explanation:

4.The presence of what distinguishes a plant cell from an animal cell?

  • AChloroplasts
  • BCell wall
  • CCell membrane
  • DNucleus
Answer / Hint Save Question
Correct Answer : (A)

Chloroplasts
Explanation:

5.Which among the following bears smallest living cell?

  • ABacterium
  • BMycoplasma
  • CVirus
  • DYeast
Answer / Hint Save Question
Correct Answer : (B)

Mycoplasma
Explanation:

6.The tissue in man where no cell division occurs after birth is

  • ASkeletal
  • BNerves
  • CConnective
  • DGerminal
Answer / Hint Save Question
Correct Answer : (B)

Nerves
Explanation:

7.Which one of the following cells produces antibodies?

  • AEosinophil
  • BMonocyte
  • CBasophil
  • DLymphocytes
Answer / Hint Save Question
Correct Answer : (D)

Lymphocytes
Explanation:

8.The main function of white blood cells in the body is to

  • ACarry oxygen
  • BHelp in clot formation
  • CProduce more red cells
  • DProtect body against diseases
Answer / Hint Save Question
Correct Answer : (D)

Protect body against diseases
Explanation:

9.The largest cell in the human body is

  • ANerve cell
  • BMuscle cell
  • CLiver cell
  • DKidney cell
Answer / Hint Save Question
Correct Answer : (A)

Nerve cell
Explanation:

10.Which of the following makes the skin layer impervious to water?

  • ACollagen
  • BMelanin
  • CKeratin
  • DChitin
Answer / Hint Save Question
Correct Answer : (C)

Keratin
Explanation:

11.Which of the following is a correct description of ?tissue culture??

  • AConservation of forests and plantation
  • BGrowth and propagation of horticultural crops
  • CScience of cultivating animal tissue in artificial medium
  • DProtection of wild animals
Answer / Hint Save Question
Correct Answer : (C)

Science of cultivating animal tissue in artificial medium
Explanation:

12.Fluid part of blood devoid of corpuscles is called

  • ATissue fluid
  • BPlasma
  • CSerum
  • DLymph
Answer / Hint Save Question Comment On Question
Correct Answer : (C)

Serum
Explanation:

13.Which one of the following is true regarding plant cells and animal cells?

  • APlant cells contain chloroplast while animal cells do not
  • BPlant cells are small while animal cells are large in size
  • CPlant cells contain nucleus while animal cells do not
  • DPlant cells and animal cells are similar in all respects
Answer / Hint Save Question
Correct Answer : (A)

Plant cells contain chloroplast while animal cells do not
Explanation:

14.The branch of biology dealing with the study of cells is known as

  • ACytology
  • BHistology
  • CPsychology
  • DPhysiology
Answer / Hint Save Question Comment On Question
Correct Answer : (A)

Cytology
Explanation:

15.Cell or tissue death within a living body is called as

  • ANeutrophilia
  • BNephrosis
  • CNecrosis
  • DNeoplasia
Answer / Hint Save Question Comment On Question
Correct Answer : (C)

Necrosis
Explanation:

16.Plasma membrane in eukaryotic cells is made up of

  • APhospholipid
  • BLipoprotein
  • CPhospholipo ? protein
  • DPhosphor ? protein
Answer / Hint Save Question Comment On Question
Correct Answer : (A)

Phospholipid
Explanation:

17.Which cells in our body have the least regenerative power?

  • ABrain cells
  • BMussle cells
  • CBone cells
  • DLiver cells
Answer / Hint Save Question
Correct Answer : (A)

Brain cells
Explanation:

18.In human body, cartilage is found in

  • ATongue
  • BNose
  • CChin
  • DNail
Answer / Hint Save Question
Correct Answer : (B)

Nose
Explanation:

19.The structure in cells which contains light absorbing pigment is

  • AEndoplasmic reticulum
  • BNucleus
  • CChloroplast
  • DChromoplast
Answer / Hint Save Question Comment On Question
Correct Answer : (C)

Chloroplast
Explanation:

20.Stem cells which are capable of developing into other types of cells come from the

  • ARoots
  • BStem
  • CEmbryo
  • DFlower
Answer / Hint Save Question
Correct Answer : (C)

Embryo
Explanation:
4000 Important General Science MCQ Question & Answer in PDF Download

Morning Exam

Morningexam.com provides Electrical MCQs, Notes, Exam Materials and Online Test series for your Competitive exams. You can also get Current Affairs, GK, Aptitude, Verbal Ability, and Reasoning questions. Best for ITI and Diploma Students.

Quick Links

Contact us

Have questions, comments or just want to say hello:

Follow Us

Copyright 2024 All rights reserved. Developed by Sucharita Banerjee