21. Lichens are composite individuals consisting of _?
    Question grade : 1

21/100
Algae and funngi
Symbiotic association between algae and fungi
Mutualistic association between algae and fungi
Commensalistic association between algae and fungi
All are correct

22. The largest number of exons are present in __ gene?
    Question grade : 1

22/100
Dystrophin
Collagen type 7A
Titin
None

23. Homozygosity and heterozygosity of an individual can be checked by?
    Question grade : 1

23/100
Back cross
Test cross
Punnett square
A + B

24. Incomplete dominance ratio is _?
    Question grade : 1

24/100
3 : 1
1 : 3 : 1
1 : 2 : 1
9 : 3 : 3 : 1

25. Total blood group systems are?
    Question grade : 1

25/100
3
30
300
4
25

26. Which of the following immunity is called first line of defense?
    Question grade : 1

26/100
Active
Passive
Innate
Adaptive
A + C

27. Most of the digestion take place in _?
    Question grade : 1

27/100
Stomach
Small intestine
Large intestine
GIT

28. Least blood pressure is present in _?
    Question grade : 1

28/100
Aorta
Arteries
Vena cava
Veins

29. The end parts of chromosomes are called?
    Question grade : 1

29/100
Poly A tail
Telomeres
Telomerases
B + C

30. Enzymes that remove the supercoils of DNA are called _?
    Question grade : 1

30/100
Isomerases
Helicases
Topoisomerases
All

31- which of the following viruses has caused thousands of death annually as an emergent virus?
Question grade : 1

31/100
MERS
SARS
OC43
HKU1

32- which one of the following toxic metals is extensively found in the newspaper?
Question grade : 1

32/100
Mg
Cd
Pb
Hg

33- New alleles can be introduced into a population gene pool by————–?
Question grade : 1

33/100
Mutation
Natural selection
Gene flow
Both A & C

34- The number of alveoli in the human lungs is estimated to be around——-?
Question grade : 1

34/100
150 Million
500 Million
800 Billion
1.0Billion

35- Smooth muscles, cardiac muscles, and glands are regulated by______?
Question grade : 1

35/100
Central nervous system
parasympathetic nervous system
sympathetic
autonomic nervous system

36- —————– gland is pea size?
Question grade : 1

36/100
Adrenal
Pituitary
Pancreas
Hypothalamus

37- Identify the pollutant responsible for the curling of leaves?
Question grade : 1

37/100
CO
O3
NO2
SO2

38- Polymorphism is a characteristic of the phylum?
Question grade : 1

38/100
Cnidaria
nematode
annelid
None

39- How many base pairs are there in every helical turn of Watson’s cricks double helix method?
Question grade : 1

39/100
32.3
11.6
12.8
10.5

40- Which of the following which is not a stop codon?
Question grade : 1

40/100
UAA
UAG
UGA
UGG
None