10th Biological Science - Mock Test Question Paper

Assess your preparation and build real exam confidence with our comprehensive 10th Biological Science Mock Test Question Papers. Simulating the actual exam environment is crucial for mastering time management and reducing stress. This page provides full-length mock tests that closely mirror the latest exam pattern, covering vital topics from life processes and control coordination to heredity and environment. Perfect for final revisions, these papers will help you evaluate your strengths and fine-tune your answers for maximum marks.

X STANDARD

MOCK TEST - 1

SUB: BIOLOGICAL SCIENCE

TIME: 3 HRS MARKS: 75

I. CHOOSE THE CORRECT ANSWER :-

1. The other name for continuous variation is
(a) germinal variation (b) somatic variation
(c) discontinuous variation (d) fluctuating variation

2. It is a branch of palaeontology that deals with the recovery and identification of plant remains of geological past
(a) palaeobotany (b) Embryology
(c) mutation (d) palaeontology

3. Book 'Philosophie Zoologique' published in the year _______ was written by:
(a) Darwin 1809 (b) Lamarck 1809
(c) Wallace 1806 (d) Mendel 1805

4. Which method of crop improvement can be practised by a farmer if he is inexperienced?
(a) clonal selection (b) mass selection
(c) pure line selection (d) hybridisation

5. rDNA is a
(a) vector DNA (b) circular DNA (c) recombinant of vector DNA and desired DNA (d) satellite DNA

6. A group of plants produced from a single plant through vegetative or asexual reproduction is called _______.
(a) Transgenic (b) Hexaploid (c) clones (d) mutation

7. The theory of idea embodies that life on Earth is a divine creation
(a) chemical reaction (b) special creation
(c) spontaneous generation (d) Biogenesis

8. Himgiri developed by hybridisation and selection for disease resistance against rust pathogens is a variety of
(a) chilli (b) maize (c) sugarcane (d) wheat

9. The theory of idea embodies that life on Earth is a divine creation
(a) chemical reaction (b) special creation
(c) spontaneous generation (d) Biogenesis

10. The miracle rice which saved millions of lives and celebrated its 50th birthday is:
(a) IR 8 (b) IR 24 (c) Atomita 2 (d) Ponni

11. We can cut the DNA with the help of:
(a) scissors (b) restriction endonucleases
(c) knife (d) RNAase

12. Organisms with a modified endogenous gene or a foreign gene are also known as
(a) transgenic organisms (b) genetically modified (c) mutated (d) both (a) and (b)

II. ANSWER IN SHORT:- (22 compulsory, answer any 7) 7 × 2 = 14

13. What is the cosmic origin?

14. What is the study of fossils called?

15. What is biogenesis?

16. Who is the "Father of Green Revolution"?

17. Fill in the blanks:
a. _______ is the gradual change occurring in living organisms over a period of time.
b. Sexual reproduction, which involves meiosis helps in the recombination of _______ during gametic fusion.

18. What are Extremophiles?

19. The degenerated wing of a kiwi is an acquired character. Why is it an acquired character?

20. Give the name of the wheat variety having higher dietary fibre and protein.

21. What are transgenic organisms?

22. State the importance of biofertiliser.

III. ANSWER IN BRIEF :- (32 COMPULSORY, answer any 7) 7 × 4 = 28

23. Represent a flow chart showing the postulates of Lamarckism?

24. What is Mars 2020 Astrobiology?

25. What is the chemical evolution of life?

26. Explain the types of variation?

27. Biofortification may help in removing hidden hunger. How?

28. State whether True or False. If false, write the correct statement.
a. The homologous organs look similar and perform similar functions but they have different origin and developmental pattern.
b. Birds have evolved from reptiles.
c. Define Ethnobotany and write its importance.

29. How do you differentiate homologous organs from analogous organs?

30. What is Bio-fortification? Give any two examples.

31. State the applications of DNA fingerprinting technique.

32. What are the effects of hybrid vigour in animals.

IV. ANSWER IN DETAIL:- (ANY 3) 3 × 7 = 21

34. Discuss the importance of biotechnology in the field of medicine?

35. With a neat labelled diagram explain the techniques involved in gene cloning.