1
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Choose the correct sequence of events in pollenpistil interaction from the options given below:

i. Entry of pollen tube into synergid.

ii. Development of pollen tube.

iii. Deposition of pollen grains on the stigma.

iv. Release of contents from pollen tube.

A
iii $\rightarrow$ iv $\rightarrow \mathrm{i} \rightarrow$ ii
B
iii $\rightarrow$ i $\rightarrow$ iv $\rightarrow$ ii
C
iii $\rightarrow$ ii $\rightarrow \mathrm{i} \rightarrow \mathrm{iv}$
D
iii $\rightarrow$ ii $\rightarrow$ iv $\rightarrow$ i
2
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Select the INCORRECT statement.

A
UTRs are untranslated additional sequences on mRNA.
B
UTRs are present only at $5^{\prime}$ end on mRNA.
C
UTRs are present at both $5^{\prime}$ and $3^{\prime}$ :end on mRNA.
D
UTRs are required for efficient translation.
3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Complete the following analogy about human sperm.

Nebenkern : mitochondria :: Acrosome : _______

A
endoplasmic reticulum
B
Golgi complex
C
centriole
D
spherosome
4
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Water is the best medium for the transport of dissolved minerals and food molecules because it has ______ .

A
high surface tension
B
high adhesive force
C
high adhesive force
D
neutral pH