As per your request here I am giving you Sample question paper of Biology subject for Maharashtra Common Entrance Test (MHT CET) medical exam.

Sample paper :

1. What will be the genotype of parents of a child with ‘O’ blood group ?
A) IA IA × IA IA B) IB IB × IB IB
C) IA IA × IB IB D) IA i × IB i

2. In Angiosperms, megaspores formed after meiosis of megaspore mother cell
are arranged in _________
A) Isobilateral tetrad B) Linear tetrad
C) Tetrahedral tetrad D) T-shaped tetrad

3. During replication of DNA, the two strands of the double helix are separated
from each other under the influence of enzyme _________
A) rep-protein B) SSBP
C) initiator protein D) DNA polymerase

4. Identify the INCORRECT statement from the following with reference to lac
operon.
A) It is a unit of gene expression and regulation for lactose sugar metabolism in
E. Coli.
B) Lactose sugar enters the cell due to the activity of enzyme permease.
C) Operators are present between promoters and structural genes.
D) The structural gene ‘z’ codes for β -galactosidase, ‘y’ for transacetylase and
‘a’ for permease.

5. High levels of Aspartic acid, low nitrogen and sugar content in maize plants
prevent the attack by ____________
A) Aphids B) Jassids
C) Boll worms D) Stem borers

6. The common feature in CAM and C4 plants is __________
A) Stomata open only during night
B) Acid concentration increases during night
C) Both C3 and C4 pathway occur
D) Having Kranz anatomy

7. Which one of the following electron acceptor is present in respiratory chain ?
A) Cytochrome f B) Cytochrome a3
C) Plastocyanin D) Ferredoxin

8. The codon sequence on coding strand of transcription unit is ATG GTG AGC TAC
GCG. What will be the codon sequence on mRNA formed on template strand ?
A) ATG GTG AGC TAC GCG B) GCG TAC AGC GTG ATG
C) TAC CAC TGC ATG CGC D) AUG GUG AGC UAC GCG

9. A cross between two pea plants tall with axial flowers and dwarf with terminal
flowers produced offsprings tall with axial flowers and tall with terminal
flowers in the ratio 1 : 1. What will be the genotype of parents ?
A) TTAa × ttaa B) TtAa × ttaa
C) TtAA × ttaa D) TTAA × ttaa

11. The CORRECT sequence of events during double fertilization in Angiosperms is
A) Triple fusion, syngamy, porogamy
B) Syngamy, triple fusion, porogamy
C) Porogamy, syngamy, triple fusion
D) Syngamy, porogamy, triple fusion

12. When genomic DNA is fragmented and cloned, the screening of the desired
gene is done by using
A) Plasmid DNA B) DNA probes
C) Southern blotting D) PCR technique
13. The guano deposits are obtained from the excreta of __________

13. The guano deposits are obtained from the excreta of __________
A) Reptiles B) Human
C) Marine birds D) Micro-organisms
14. In an angiosperm a female plant having 2n = 24 is crossed with a male plant
having 2n = 12. What will be the chromosome number of the endosperm ?
A) 12 B) 18
C) 24 D) 30
15. Two alternative forms of a gene or alleles are located on __________
A) Identical loci of the same chromosome
B) Non-identical loci of the same chromosome
C) Identical loci of homologous chromosomes
D) Non-identical loci of homologous chromosomes

16. In Kreb’s cycle Guanosine Triphosphate is formed during the conversion of
A) Isocitrate to oxalosuccinate B) Oxalosuccinate to α-ketoglutarate
C) Succinyl CoA to succinate D) Fumarate to malate
17. Mycorrhiza is __________
A) Alga B) Fungus
C) Bacteria D) Virus
18. During PCR technique, the pairing of primers to ssDNA segment is called ________
A) Denaturation B) Annealing
C) Polymerisation D) Isolation
19. ___________ is the most convenient and cheap method of artificial vegetative
propagation.
A) Grafting B) Budding
C) Cutting D) Micropropogation
20. Glycosidic bond exists in DNA molecule between __________
A) Sugar and phosphate B) Any two nitrogen bases
C) Sugar and nitrogen base D) Purines and pyrimidines
21. Which of the following wall layer of anther shows fibrous thickenings of
callose ?
A) Epidermis B) Tapetum
C) Middle layer D) Endothecium
22. Photosynthesis is considered as an oxidation reaction because __________
A) CO2 is oxidised B) H2O is oxidised
C) O2 is released D) CH2O is oxidised
23. Which one of the following is the CORRECT order of conversion of waste
materials during biogas formation ?
A) Monomers → polymers → methane → organic acids
B) Organic acids → methane → polymers → monomers
C) Methane → organic acids → polymers → monomers
D) Polymers → monomers → organic acids → methane

24. Match the plant and the part in relation to Vegetative Propagation.
1) Dahlia a) Eyes
2) Solanum tuberosum b) Runner
3) Begonia c) Fasciculated tuberous roots
4) Cynodon d) Epiphyllous buds
A) (1) – c, (2) – a, (3) – b, (4) – d B) (1) – d, (2) – a, (3) – b, (4) – c
C) (1) – c, (2) – a, (3) – d, (4) – b D) (1) – b, (2) – c, (3) – a, (4) – d
25. Agrobacterium tumefaciens is most widely used for gene transfer because
__________
A) it causes crown gall tumours
B) of its ability to insert Ti plasmid into nuclear genome
C) it can grow anywhere
D) it has ability to kill pathogenic bacteria
26. Which of the following event does NOT lead into secondary succession ?
A) All organisms that existed are lost
B) Where no living organisms ever existed
C) Abandoned crop field
D) Land affected by flood
27. A nucleosome along with linker DNA consists of __________
A) eight molecules of histones and 146 base pairs
B) eight molecules of histones and 200 base pairs
C) nine molecules of histones and 146 base pairs
D) nine molecules of histones and 200 base pairs
28. During aerobic respiration the final electron acceptor is
A) Cyto b B) NADH2
C) Water D) Oxygen
29. In quantitative inheritance, when a character is controlled by two pairs of
genes, the ratio obtained in F2 generation is __________
A) 1 : 2 : 1 B) 1 : 4 : 6 : 4 : 1
C) 9 : 3 : 3 : 1 D) 1 : 6 : 15 : 20 : 15 : 6 : 1
30. Which one of the following pigment functions as a reaction center in
photosynthesis ?
A) Chlorophyll-a B) Xanthophyll
C) Carotenoid D) Anthocyanin

31. Remarkable increase in rice production from 35 million tones to 89.5 million
tones during 1960 – 2000 was mainly due to __________
A) Improved semidwarf varieties
B) Introduction of Golden rice
C) Increased use of chemical fertilizers
D) Cultivation of wild varieties
32. Which of the following is the first cell of female gametophytic generation in
Angiosperms ?
A) Megaspore mother cell B) Microspore mother cell
C) Functional megaspore D) Egg cell
33. During dihybrid cross, in the F2 generation, the ratio of individuals showing
one dominant and the other recessive character will be _________ of parents
with contrasting characters.
A) 16
4 B) 16
6
C) 16
8 D) 16
9
34. In an ecological succession the pioneers are generally __________
A) Autotrophs B) Carnivores
C) Herbivores D) Detrivores
35. Given below are some antibiotics and their microbial source. Match the correct
pairs.
1) Chloromycetin a) Streptomyces griseus
2) Erythromycin b) Penicillium chrysogenum
3) Penicillin c) Streptomyces erythreus
4) Streptomycin d) Streptomyces venezuelae
A) 1 – a, 2 – b, 3 – c, 4 – d B) 1 – d, 2 – c, 3 – b, 4 – a
C) 1 – b, 2 – d, 3 – a, 4 – c D) 1 – c, 2 – a, 3 – d, 4 – b
36. In plasmid pBR 322, ‘BR’ stands for
A) Baculovirus and Retrovirus B) Boyer and Reed
C) Bolivar and Rodrigues D) Bacillus and Rhizobium
37. How many glucose molecules are required for the formation of 52 pyruvic
acid molecules at the end of glycolysis ?
A) 52 B) 46
C) 32 D) 26

38. The pitch angle of deflection between two successive base pairs in DNA
double helix is
A) 20° B) 34°
C) 36° D) 360°
39. Which one of the following processes involved in alcohol production is NOT
involved in wine production ?
A) Malting B) Mashing
C) Fermentation D) Distillation
40. Which one of the following is formed as a result of cyclic photophosphorylation ?
A) NADPH2 B) O2
C) ATP D) H2O
41. Which of the following in embryo sac of angiosperms shows filiform apparatus ?
A) Antipodals B) Polar nuclei
C) Egg D) Synergids
42. Which one of the following organism’s plasmid was used successfully for
the first time as a vector by Stanley Cohen and Herbert Boyer ?
A) Salmonella typhimurium B) Streptococcus pneumoniae
C) Staphylococcus aureus D) Rhizobium leguminosarum
43. During a dihybrid cross with contrasting characters in the F2 generation
parental genotypes will appear in _________ ratio.
A) 16
1 B) 16
2
C) 16
3 D) 16
9
44. The wall of pollen tube is made up of
A) Cellulose and Pectin B) Only sporopollenin
C) Lignin and Pectin D) Pectin and Sporopollenin
45. The micro consumers are commonly called __________
A) Autotrophs B) Herbivores
C) Decomposers D) Carnivores
46. Which of the following is a character of Castor plant to avoid autogamy ?
A) Unisexuality B) Protogyny
C) Protandry D) Heterostyly

47. During hybridization offsprings with hybrid vigour superior to both parents
are self pollinated for few successive generations to __________
A) retain their parental characters B) remove their parental characters
C) get homozygosity D) segregate characters
48. Which of the following is the WRONG match between the plant and its
character for adaptation of cross pollination ?
A) Zostera → Bright coloured flowers with nectar
B) Bougainvillea → Petaloid bracts
C) Passion flower → Corona
D) Adansonia → Copious nectar
49. What is the outbreeding device, where the stamens and carpels mature at
different times called ?
A) Monoecy B) Self sterility
C) Dichogamy D) Heterostyly
50. In anaerobic respiration acetaldehyde is reduced to form alcohol by utilising
NADH2 obtained from __________
A) Glycolysis B) Terminal oxidation
C) Kreb’s cycle D) Acetylation

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