1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

In which disorder change of single base pair in the gene for beta globin chain results in change of glutamic acid to valine ?

A
Thalassemia
B
Sickle cell anemia
C
Haemophilia
D
Phenylketonuria
2
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

For chemical defence against herbivores, Calotropis has :

A
cardiac glycosides
B
strychnine
C
toxic ricin
D
distasteful quinine
3
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Consider the following tissues in the stelar region of a stem showing secondary growth.

(A) Primary xylem

(B) Secondary xylem

(C) Primary phloem

(D) Secondary phloem

Arrange these in the correct sequence of their position from pith towards corts.

A
(A), (B), (D), (C)
B
(B), (A), (C), (D)
C
(A), (B), (C), (D)
D
(B), (A), (D), (C)
4
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1
Change Language

Which out of the following statements is incorrect?

A
Grana lamellae have both PS I and PS II
B
Cyclic photophosphorylation involves both PS I and PS II
C
Both ATP and NADPH + H$$^+$$ are synthesised during non-cyclic photophosphorylation.
D
Stroma lamellae lack PS II and NADP reductase
EXAM MAP