Inspite of interspecific competition in nature, which mechanism the competing species might have evolved for their survival?
1. Mutualism
2. Predation
3. Resource partitioning
4. Competitive release
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmensalism can be represented as:
(1) Species A (-) : Species B (-)
(2) Species A (+) : Species B (0)
(3) Species A (-) : Species B (0)
(4) Species A (+) : Species B (+)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the exponential growth equation Nt =N0ert, e represents :
1. The base of natural logarithms
2. The base of geometric logarithms
3. The base of number logarithms
4. The base of exponential logarithms
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch List-I with List-II
List-I | List-II |
(a) Allen's Rule | (i) Kangaroo rat |
(b) Physiological adaptation | (ii) Desert lizard |
(c) Behavioural adaptation | (iii) Marine fish at depth |
(d) Biochemical adaptation | (iv) Polar seal |
Choose the correct answer from the options given below :
(a) | (b) | (c) | (d) | |
1. | (iv) | (i) | (ii) | (iii) |
2. | (iv) | (iii) | (ii) | (i) |
3. | (iv) | (ii) | (iii) | (i) |
4. | (iv) | (i) | (iii) | (ii) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion (A): | A person goes to high altitude and experiences 'altitude sickness' with symptoms like breathing difficulty and heart palpitations. |
Reason (R): | Due to low atmospheric pressure at high altitudes, the body does not get sufficient oxygen. |
1. | (A) is true but (R) is false. |
2. | (A) is false but (R) is true. |
3. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
4. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMycorrhiza is an example of
1. Symbiotic relationship
2. Ectoparasitism
3. Endoparasitism
4. Decomposers
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is a correct pair : -
1. Cuscuta – parasite
2. Dischidia – insectivorous
3. Opuntia – predator
4. Capsella – hydrophyte
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo different species cannot live for a long duration in the same niche or habitat. This is:
1. Allen's law
2. Gloger's rule
3. Competitive exclusion principle
4. Weismann's theory
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA male insect mistakes an orchid flower to be female due to its shape and performs the act of copulation and induces pollination. This is an example of:
1. Mimicry
2. Pseudocopulation
3. Pseudo pollination
4. None
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following statements (A)-(D) each with one or two blanks :
(A) Bears go into ________ (1) _ during winter to ________ (2) _ cold weather.
(B) A conical age pyramid with a broad base represents _________ (3) human population.
(C) A wasp pollinating a fig flower is an example of ________ (4) _ .
(D) An area with high levels of species richness is known as _________ (5) .
Which of the following options, gives the correct fill ups for the respective blank numbers from(1) to (5) in the statements ?
1. (1) - hibernation, (2) - escape, 3) - expanding, (5) - hot spot
2. (3) - stable, (4) - commensalism, (5) - marsh
3. (1) - aestivation, (2) - escape, (3) - stable, (4) - mutualism
4. (3) - expanding, (4) - commensalism, (5) - biodiversity park
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology