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

Red (RR) flowered plant of Mirabilis is crossed with white (rr) flowered plant. All the offsprings in $\mathrm{F}_1$ generation are pink ( Rr ). This is an indication that the ' R ' gene is __________

A

co-dominant

B

recessive

C

incompletely dominant

D

linked

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

While describing the dynamics of growth in plants, Relative Growth Rate (RGR) is determined by the following formula.

A

$\mathrm{RGR}=\frac{\mathrm{dn}}{\mathrm{dt}}$

B

$\mathrm{RGR}=\frac{\mathrm{dt}}{\mathrm{dn}}$

C

$\mathrm{RGR}=\frac{\mathrm{n}}{\mathrm{AGR}}$

D

$\mathrm{RGR}=\frac{\mathrm{AGR}}{\mathrm{n}}$

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

Following are modern techniques used to protect endangered species EXCEPT _________

A

tissue culture

B

cryopreservation of gametes

C

seed banks

D

in vitro fertilization of eggs

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

Reason for introducing vaccine into the body is ___________.

A

to stimulate the formation of antibody.

B

to suppress allergic reactions.

C

to differentiate different T lymphocytes.

D

to immobilise engulfed phagocytes.