1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Which of the following is not an attribute of a population?
A
Natality
B
Sex ratio
C
Mortality
D
Species interaction
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
In relation to Gross primary productivity and Net primary productivity of an ecosystem, which one of the following statements is correct?
A
There is no relationship between Gross primary productivity and Net primary productivity
B
Gross primary productivity is always more than net primary productivity
C
Gross primary productivity is always less than net primary productivity
D
Gross primary productivity and Net primary productivity are one and same
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Match the trophic levels with their correct species examples in grassland ecosystem.

(A) Fourth trophic level   (i) Crow
(B) Second trophic level  (ii) Vulture
(C) First trophic level      (iii) Rabbit
(D) Third trophic level    (iv) Grass

Select the correct option
A
(A) $$ \to $$ (iv), (B) $$ \to $$ (iii), (C) $$ \to $$ (ii), (D) $$ \to $$ (i)
B
(A) $$ \to $$ (ii), (B) $$ \to $$ (iii), (C) $$ \to $$ (iv), (D) $$ \to $$ (i)
C
(A) $$ \to $$ (i), (B) $$ \to $$ (ii), (C) $$ \to $$ (iii), (D) $$ \to $$ (iv)
D
(A) $$ \to $$ (iii), (B) $$ \to $$ (ii), (C) $$ \to $$ (i), (D) $$ \to $$ (iv)
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
According to Robert May, the global species diversity is about
A
7 million
B
20 million
C
1.5 million
D
50 million
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12