IGCSE Cambridge Secondary Grade 9 Study Materials, Online Learning, Question Papers, Classnotes, Practice Test, MCQ | Smartindia Educational Program : www.smartindia.net.in

Question-1
What happens in commensalism?

(A) One partner is benefited, other not harmed	(B) One partner is benefited, other harmed.
(C) Both partner and harmed.	(D) Both partners are benefited.

Question-2
What happens to energy when it goes from one trophic level to the next?

(A) Increases	(B) Decreases
(C) Does not change	(D) May increase or decrease

Question-3
Which of the following types of relationships are prey-predator relationship and symbiosis?

(A) Negative, neutral	(B) Neutral, negative
(C) Positive, negative	(D) Negative, positive

Question-4 Aerenchyma is a tissue seen in:

(A) Desert plants	(B) Submerged aquatic plants
(C) Aquatic animals	(D) Floating aquatic plants

Question-5
The branch of biology which deals with the study of living organisms and their habitat.

(A) Ecosystem	(B) Ecology
(C) Evolution	(D) Cytology

Question-6
Which of the following belong to the category of secondary consumers?

(A) Goat, grass hopper	(B) Snake, sparrow
(C) Cat, owl	(D) Apple tree, wheat

Question-7
Which group is called highest level of consumers?

(A) Decomposers	(B) Small carnivores
(C) Herbivores	(D) Top carnivores

Question-8
Birds and animals living in the snow region develop a coat during winters. Which one is it?

(A) Bright coloured	(B) Dark
(C) White	(D) Brown

Question-9
A food chain which may not depend on solar energy.

(A) Algae → Invertebrates → shark	(B) Bacteria → marine worms → small fish → shark
(C) Phytoplankton → zoo plankton → whale	(D) Sea weed → pearl oyster → star fish

Question-10
Animals which are active and feed at night are called:

(A) Diurnal animals	(B) Nocturnal animals
(C) Seasonal animals	(D) Adapted animals

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