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

Accessory cells of stomata are reservoirs of_________.

A
$\mathrm{Zn}^{++}$ions
B
$\mathrm{H}^{+}$ions
C
$\mathrm{K}^{+}$ions
D
$\mathrm{H}^{+}$ions and $\mathrm{Cl}^{-}$ions
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Mature erythrocytes are enucleated in following animals EXCEPT

i. Rat

ii. Monkey

iii. Llama

iv. Camel

v. Elephant

Choose the correct answer from options given below.

A
i and ii only
B
iii, iv and v only
C
iii and iv only
D
v only
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Agarose gel electrophoresis is used to separate DNA fragments. The DNA fragments separate due to __________ .

A
difference in their staining property
B
difference in the base sequence in them
C
positive charge on the fragments
D
difference in the size of fragments
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

How many of the following are the symbiotic nitrogen fixing micro-organisms?

Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella

A
2
B
3
C
4
D
5
EXAM MAP