1. Robert Hooke discovered ____ of cell
A. Cell membrane
B. Nucleus
C. Cell Wall
D. Cytoplasm
Ans. (C)
Exp.
2. Which of the following cell organelles is non membrane bound and found in both
prokaryotes and eukaryotes?
A. Lysosomes
B. Ribosomes
C. Centriole
D. Mitochondria
Ans. (B)
Exp.
3. Which of the following structure is found only in prokaryotic Cell?
A. Plasmid
B. Nucleus
C. Mitochondria
D. Ribosomes
Ans. (A)
Exp.
4. The genomic DNA of bacterium is
A. Circular
B. Linear
C. Segmented
D. Rod shaped
Ans. (A)
Exp.
5. Which of the following component provides sticky character to the bacterial cell?
A. Cell Wall
B. Nuclear membrane
C. Plasma membrane
D. Glycocalyx
Ans. (D)
Exp.
6. Genetic material of prokaryotic cell is known as
A. Nucleus
B. Centrosomes
C. Nucleoid
D. Mesosomes
Ans. (C)
Exp.
7. Which type of vacuole provides buoyancy to bacteria
A. Sap vacuole
B. Contractile vacuole
C. Gas vacuole
D. Food vacuole
Ans. (C)
Exp.
8. The ___ are small bristle like fibres sprouting out of the bacterial cell:
A. Pilli
B. Mesosomes
C. Cilia
D. Fimbriae
Ans. (D)
Exp.
9. Animal cell is different from plant cell in having
A. Ribosomes
B. Nucleus
C. Centrosomes
D. Golgi bodies
Ans. (C)
Exp.
10. Gas vacuoles are found in
A. Blue green algae
B. Green and purple bacteria
C. Bacillus
D. More than one option correct
Ans. (D)
Exp.
Date-6 Jan 2020
1.Yeast cell divides by
(A) Mitosis only
(B) Mitosis and Amitosis ✅
(C) Endomitosis and Amitosis
(D) Mitosis and Endomitosis
2.Yeast produces an enzyme complex that is responsible for fermentation. The enzyme complex is
(A) Aldolase
(B) Dehydrogenase
(C) Invertase
(D) Zymase ✅
3.The seed of Pinus represents
(A) One generation
(B) Two generations
(C) Three generations ✅
(D) Four generations
4 . Cataphylls are
(A) Leaves of Selaginella
(B) Scaly leaves of Pinus ✅
(C) Needles of Pinus
(D) Foliar leaves of Pinus
5. Marine algae flourished well during which period
(A) Triassic
(B) Devonian
(C) Permian
(D) Ordovician ✅
6. Agranal chloroplast are found in
(A) Bryophytes
(B) Gymnosperms
(C) Green algae ✅
(D) Angiosperms
7. Palmella stage is produced
(A) In rainy season
(B) During unfavourable conditions ✅
(C) During favourable conditions
(D) None of these
8. Chitin present in fungal wall has a formula
(A) (C22H54N4O21)n ✅
(B) (C21H54N4O22)n
(C) (C22H54N4O13)n
(D) (C22H24N4O21)n
9. Which type of tissue is found in the fungi
(A) Parenchyma
(B) Chlorenchyma
(C) Plectenchyma ✅
(D) Collenchyma
10. Who gave the parasitic nature of fungus in plants
(A) Pasteur
(B) Anton De Bary
(C) Robert Koch ✅
(D) J.F. Kuhn
Date-07 Jan 2021
1. “Father of experimental Genetics”
a) Gregor Mendel b) T.H.Morgan
c) Hugo deVries d) Carl Correns
2. Which of the following condition is called monosomics a) 2n+1 b) 2n+2
c) 2n-1 d) n+1
3. A phenomenon of a single gene regulating several phenotypes is called
a) Multiple allelism b) Pleiotropy
c) Incomplete dominance d) Co-dominance
4. Turner’s syndrome is
a) XO b) XXY
c) XXX d) XYY
5. X – linked recessive gene is
a) Always expressed in male
b) Always expressed in female
c) Never expressed in males
d) Always expressed in males and female
6. Which one is an example for chromosomal mutation
a) Sickle cell anemia b) Muscular dystrophy
c) Phenylketoneuria d) Klinefelter’s syndrome
7. Indicate, the inheritance of which of the following is controlled by multiple alleles
a) Colour blindness b) Sickle cell anemia
c) Blood group d) Phenylketoneuria
8. Segregation of genes occurs in
a) Embryo formation b) Anaphase II
c) Anaphase I d) Metaphase II
9. Child has blood group “O” and his father is “B” type. Then genotype of the father should be
a) IBIB b) IBIO
c) IAIB d) IOIO
10. HbA and HbS alleles of normal and sickle cell haemoglobin are
a) Co-dominant alleles b) Multiple alleles
c) Dominant-recessive alleles d) Cumulative alleles
11. Erythroblastosis foetalis occurs when
a) Mother is Rh negative and father is Rh positive
b) Father is Rh negative and mother is Rh positive
c) Both are Rh positive
d) Both are Rh negative
12. A holandric gene cause hypertrichosis.When a man with hypertrichosis marries a normal women, what percentage of their daughters would be expected to have hypertrichosis?
a) 50% b) 25%
c) 75% d) 0%
13. In birds, females are
a) XX b) ZZ
c) ZO d) ZW
14. In Snapdragon two plants with pink flowers were hybridized. The F1 plants produced red, pink and white flowers in the proportion of 1 red, 2 pink and 1 white. What could be the genotype of the two plants used for hybridization? Red flower colour is determined by RR and white by rr genes.
a) Rr b) rr
c) rrr d) RR
15. Test cross is a cross between
a) Hybrid x Dominant parent b) Hybrid x Recessive parent
c) Hybrid x Hybrid d) Dominant parent x Recessive parent
16. Which Mendelian cross can produce two genotypes and two phenotypes?
a) Monohybrid cross b) Monohybrid test cross
c) Incomplete dominance d) Co-dominance
17. The “cri-du-chat” syndrome is caused by change in chromosome structure involving
a) Deletion b) Duplication
c) Inversion d) Translocation
18. The ability of a gene to have multiple phenotypic effects is known as
a) Pleiotropy b) Co-dominance
c) Incomplete dominance d) Incomplete dominance
19. Match the following organism with the type of sex determination found in them
Column I Column II
A) ZW-ZZ type M) Grasshopper
B) ZO-ZZ N) Drosophila
C) XX-XO O) Hen
D) XX-XY P) Butterfly
a) A- M, B-P, C- O, D-N
b) A-O, B- N, C-M, D- P
c) A-O, B-P, C-M, D-N
d) A- N, B-P, C-M, D- O
20. Which is the false statement?
a) Sickle cell anemia is a recessive autosomal disorder
b) Phenylketonuria is a recessive allosomal disorder
c) Haemophilia is a recessive sex linked disorder
d) Colour blindness is a recessive allosome linked disorder
21. Eyes that slant upwards with epicanthus is a characteristic of
a) Klinefelter’s syndrome b) Turner’s syndrome
c) Down’s syndrome d) Super female
22. If heterozygous round seeded pea plants are self pollinated, the offsprings will be
a) 75% round b) 50% heterozygous
c) 25% rr d) All of these
23. Round seed is dominant over wrinkled seeds in Pea. If homozygous, round seeded Pea plants are crossed with wrinkled seeded plants, the offsprings will be
a) All round b) All wrinkled
b) 75% round and 25% wrinkled d) 50% round and 50% wrinkled
24. Mendel developed his basic principles of heredity by
a) Microscopic study of chromosomes and genes
b) Mathematical analysis of the offspring of Pea plant
c) Breeding experiments with Drosophila
d) Anatomical studies of Pea plant
25. When two hybrids are crossed, the percentage of recessive is a) 25% b) 100%
c) 50% d) 75%
26. How many different genotypes are possible from a cross between the parents RR and rr
a) Four b) One
c) Three d) Two
27. Which of the following disorder shows Criss cross inheritance?
a) Haemophilia b) Colour blindness c) Erythroblastosis foetalis d) (a) & (b)
28. Skin colour is controlled by
a) Pleiotropic genes b) Dominant genes c) Polygenes d) Recessive gene
29. Cinderella of Genetics is
a) Pisum sativum b) Snapdragon
c) Oenothera d) Drosophila
30. The plant in which Hugo de Vries introduces the concept of mutation is
a) Oenothera lamarkiana b)Pisum sativum
c) Allium cepa d) Mirabilis jalapa
ANSWERS
1) b), 2) c, 3) b, 4) a, 5) a, 6) d, 7)c, 8) c, 9)b, 10)c, 11)a, 12)d, 13)d, 14)a, 15) b,
16) b, 17)a, 18) a, 19) c, 20)b, 21) c, 22) d, 23)b, 24) b, 25)a, 26)b, 27)d, 28)c, 29) d,
30)a
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