1
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0
In which one of the following conditions tobacco plants do NOT flower?
A
Long uninterrupted dark period.
B
Long uninterrupted light period.
C
Short light period with long uninterrupted dark period.
D
Long dark period is interrupted by a flash of red light ( 660 nm ) and immediately followed by far red light ( 730 nm ).
2
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

The erythropoietic organs of a foetus are ________and _________.

A
spleen ; kidneys
B
liver ; spleen
C
kidneys; yellow bone marrow
D
lymph nodes; kidneys
3
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which one of the following occurs due to changes in the environment and genetic variations of the species?

A
Hybrid sterility
B
Geographical isolation
C
Genetic drift
D
Chromosomal aberrations
4
MHT CET (PCB) 2024 22th April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following is the role of SSBP's during DNA replication?

A
Formation of phosphodiester bond near point ' T '.
B
Formation of phosphodiester bond near point ' O '.
C
Prevention of recoiling of separated DNA strands.
D
Joining the separated strand and restoring the double stranded nature of DNA.