As per your requirement I am here giving you sample question paper for Biology section for MHT CET exam of DTE of Maharashtra.

Biology Section Question Paper MHT CET Exam:

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

10. Which one of the following is used by green sulphur bacteria for reduction of
CO2 to CH2O ?
A) H2S B) H2O
C) CH4 D) NH4

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 __________
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




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