1
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
2
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

CSF is secreted by

A
choroid plexus only.
B
Pia mater and choroid plexus only.
C
Pia mater, choroid plexus and ependymal cells lining the ventricles.
D
White matter, Pia mater and grey matter.
3
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Match the scientist in column I with their contribution in column II and choose the correct option.

Column - I Column - II
i. Alexander Van Humboldt a. Estimated 7 million species round the globe
ii. Rober ay b. Rivet popper hypothesis
iii David TIllman c. Species Area Relationship
iv. Paul Ehrlich d. Productivity stability hypothesis
A
$\mathrm{i}-\mathrm{b}$ ii - c iii - d iv - a
B
i - c ii -a iii - d iv - b
C
i-b ii-c iii-a iv-d
D
i - a ii - b iii - d iv - c
4
MHT CET (PCB) 2024 22th April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Given below are two statements:

Statement I - During night, guard cells become flaccid.

Statement II - During day time, guard cells become turgid due to endosmosis.

In light of above statements, choose the most appropriate answer from the option given below.

A
Both statement I and statement II are correct.
B
Both statement I and statement II are incorrect.
C
Statement I is correct and statement II is incorrect.
D
Statement I is incorrect and statement II is correct.
EXAM MAP