1
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

In a dihybrid cross, $9: 3: 3: 1$ ratio, denotes that ___________.

A

it is a polygenic inheritance

B

alleles of two genes are linked to each other

C

alleles of two genes are segregated independently

D

it is a case of multiple alleles

2
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

How does the Hb act as buffer?

A

By forming $\mathrm{HbCO}_2$

B

By forming HHb

C

By forming $\mathrm{NaHCO}_3$

D

By forming $\mathrm{HbO}_2$

3
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following genetically engineered microorganisms, used for clearing oil spills in the sea, was given first biopatent?

A

E. coli

B

Pseudomonas

C

Agrobacterium

D

Bacillus

4
MHT CET (PCB) 2025 9th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

The current loss of biodiversity which is progressing at an alarming rate is estimated to be ________ to __________ times faster than prehuman times.

A

10 to 100

B

50 to 100

C

100 to 1000

D

1000 to 10000