Biology- Questions and Answers 01
A. Salk B. Mendel
C. Linnaeus D. Hugo de vries
Answer:( b)
2. Mycology is the study of
A. Virus B. Hydrilla
C. Rhizobium D. Fungi
Answer:( d)
3. The largest number of Eucalyptus species is found in
A. Australia B. Pakistan
C. Burma D. New Zealand
Answer:( a)
4. Fixation of nitrogen in the soil
A. virus B. fungi
C. bacteria D. protozoa
Answer:( c)
5. Who discovered the nucleus?
A. Albert B. Newton
C. Robert Brown D. Robert Hooke
Answer:(c )
6. What is the name of the botanical name of paddy?
A. Solanum nigrum B. Eleusine coracana
C. Oryza sativa D. None of these
Answer:(c )
7. Polio is caused by
A. virus B. bacteria
C. insect D. fungus
Answer:(a )
8. Clove is obtained from
A. root B. stem
C. leaves D. flower buds
Answer:( d)
9. Which one of the following is responsible for converting milk into curd?
A. virus B. bacteria
C. fungi D. None of these
Answer:(b )
10. The richest source of vitamin D is
A. milk B. cheese
C. cod liver oil D. spinach
Answer:(c )
11. Which one of the following is not a mosquito-borne disease?
A. Malaria B. Filariasis
C. Dengue fever D. sleeping sickness
Answer:(d )
12. The tallest living tree is
A. palm tree B. sequoia
C. tree fern D. eucalyptus
Answer:( b)
13. Pollination of birds is known as
A. embryophily B. entomophily
C. hydrophily D. ornithophily
Answer:(d )
14. Pulses contain a large amount of
A. fat B. water
C. proteins D. carbohydrate
Answer:(c )
15. Which plant was used by Mendel in his early experiment?
A. orange B. pea plant
C. banana D. brinjal
Answer:( b)
16. More rate of photosynthesis occurs in
A. red light B. white light
C. blue light D. yellow light
Answer:(b )
17. Plants produce energy during
A. respiration B. photosynthesis
C. absorption D. transpiration
Answer:( b)
18. Which one of the following diseases is inheritable?
A. hepatitis B. colour blindness
C. leukaemia D. malignancy
Answer:(b )
19. The compound used in the anti-malarial drug is
A. aspirin B. chloroquine
C. neoprene D. isoprene
Answer:( b)
20. Which acid is produced when milk gets sour?
A. Acetic acid B. Lactic acid
C. Tartaric acid D. Butyric acid
Answer:(b )
21. In which one of the following animals is skin a respiratory organ?
A. frog B. shark
C. whale D. cockroach
Answer:(a )
22. Food wrapped in newspaper is likely to get contaminated with
A. iron B. lead
C. aluminium D. magnesium
Answer:( b)
23. Which soil is rich in organic debris?
A. loam soil B. humus soil
C. saprophyte D. None of these
Answer:(b )
24. Azadiracta indica is the botanical name of
A. rice B. neem
C. sandal D. turmeric
Answer:(b )
25. The major part of solar radiation is harvested by the
A. plants B. animals
C. human beings D. None of the above
Answer:(a )
26. The largest living animals belong to the group of
A. fishes B. birds
C. reptiles D. mammals
Answer:( d)
27. Yellow fever is spread by
A. air B. water
C. house fly D. mosquito
Answer:( c)
28. Glucose is stored in our body in the form of
A. fat B. insulin
C. amino acids D. glycogen
Answer:(d )
29. Rh factor is present in
A. blood B. urine
C. lymph D. sputum
Answer:( a)
30. Birds excrete nitrogenous waste in the form of
A. urea B. ammonia
C. fatty acids D. uric acid
Answer:( d)
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