1
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is the most important cause for animals and plants being driven to extinction?
A
Economic exploitation
B
Alien species invasion
C
Habitat loss and fragmentation
D
Drought and floods
2
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Match the following organisms with their respective characteristics:

(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian

Select the correct option from the following :
A
(a) (b) (c) (d)
(ii) (iv) (iii) (i)
B
(a) (b) (c) (d)
(iii) (ii) (iv) (i)
C
(a) (b) (c) (d)
(iii) (ii) (i) (iv)
D
(a) (b) (c) (d)
(iii) (iv) (ii) (i)
3
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following pair of organelles does not contains DNA?
A
Lysosomes and Vacuoles
B
Nuclear envelope and Mitochondria
C
Mitochodria and Lysosomes
D
Chloroplast and Vacuoles
4
NEET 2019
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the site of perception of photoperiod necessary for induction of flowering in plants?
A
Shoot apex
B
Leaves
C
Lateral buds
D
Pulvinus