Axile placentation is present in
Axile placentation is present in
Options
(a) Lemon (b) Pea (c) Argemone (d) Dianthus
Correct Answer:
Lemon
Explanation:
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Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
Options
(a) Six (b) Three (c) Four (d) Five
Correct Answer:
Six
Explanation:
No explanation available. […]
Which one of the following animals has two separate circulatory pathways?
Which one of the following animals has two separate circulatory pathways?
Options
(a) Lizard (b) Whale (c) Shark (d) Frog
Correct Answer:
Whale
Explanation:
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The body cells in cockroach discharge their nitrogenous waste in the haemolymph
The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :
Options
(a) Potassium urate (b) Urea (c) Calcium carbonate (d) Ammonia
Correct Answer:
Potassium urate
Explanation: […]
Metagenesis refers to:
Metagenesis refers to:
Options
(a) Alteration of generation between asexualand sexual phases of an organisms (b) Occurrence of a drastic change in form during post-embroyonic development (c) Presence of a segmented body and […]
Most animals that live in deep oceanic waters are:
Most animals that live in deep oceanic waters are:
Options
(a) secondary consumers (b) tertiary consumers (c) detritivores (d) primary consumers
Correct Answer:
detritivores
Explanation:
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Industrial melanism is an example of:
Industrial melanism is an example of:
Options
(a) Natural selection (b) Mutation (c) Neo Lamarckism (d) Neo Darwinism
Correct Answer:
Natural selection
Explanation:
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Increase in concentration of the toxicant at successive trophic levels is known as :
Increase in concentration of the toxicant at successive trophic levels is known as :
Options
(a) Biodeterioration (b) Biotransformation (c) Biogeochemical (d) Biomagnification
Correct Answer:
Biomagnification
Explanation:
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In which of the following interactions both partners are adversely affected ?
In which of the following interactions both partners are adversely affected ?
Options
(a) Predation (b) Parasitism (c) Mutualism (d) Competition
Correct Answer:
Competition
Explanation:
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In which of the following both pairs have correct combination about nutrient cycle?
In which of the following both pairs have correct combination about nutrient cycle?
Options
(a) Gaseous nutrient cycle – Carbon and sulphur, Sedimentary nutrient cycle – Nitrogen and Phosphorus (b) Gaseous nutrient cycle […]