Differentiation in segmental fashion occurs in
(a) Leech
(b) Starfish
(c) Snails
(d) Ascaris
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For three events A, B and C, P(Exactly one of A or B occurs) = P(Exactly one of B or C occurs) = P(Exactly one of C or A occurs) = 1/4
Solution: P(A) + P(B) – 2P (A ∩ B) = 1/4 P(B) + P(C) – 2P(B ∩ C) = 1/4 P(A) + P(C) – 2P(A ∩ C) = 1/4 P (A ∩ B ∩ C) = 1/16 Therefore, P(A) +...
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Define growth, differentiation, development, dedifferentiation, redifferentiation, determinate growth, meristem and growth rate.
(a) Growth It is an irreversible and permanent process, accomplished by an increase in the size of an organ or organ parts or even of an individual cell. (b) Differentiation It is a...
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‘Both growth and differentiation in higher plants are open’. Comment.
Growth and development in higher plants is referred to as being open. This is because various meristems, having the capacity for continuously dividing and producing new cells, are present at...
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For three events A, B and C, P(Exactly one of A or B occurs)=P(Exactly one of B or C occurs)=P(Exactly one of C or A occurs)=1/4
P(A) + P(B) – 2P (A ∩ B) = 1/4 P(B) + P(C) – 2P(B ∩C) = 1/4 P(A) + P(C) – 2P(A ∩ C) = 1/4 P (A ∩ B ∩ C)...
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Which one is a true fish? (a) Jellyfish (b) Starfish (c) Dogfish (d) Silverfish
Which one is a true fish? (c) Dogfish
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One of the following is not an Annelid (a) Nereis (b) Earthworm (c) Leech (d) Urchins
One of the following is not an Annelid (d) Urchins
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You are given leech, Nereis, Scolopendra, prawn and scorpion; and all have segmented body organisation. Will you classify them in one group?
All organisms given in the question do not belong to same group. Leech and Nereis belong to phylum annelida because they have metamerically segmented body i.e., body is divided into...
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How does branding help in creating product differentiation? Does it help in marketing of goods and services? Explain.
Branding implies giving a unique name, sign, symbol or term for the identification of a product. Branding is one of the most important decisions for a marketer. Through branding the...
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An experiment consists of tossing a coin and then throwing it second time if a head occurs. If a tail occurs on the first toss
A coin has two faces: head (H) and tail (T). A die has six faces that are numbered from 1 to 6, with one number on each face. Thus, in the given...
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Which of the following animals does not undergo metamorphosis ? (1) Earthworm (2) Tunicate (3) Moth (4) Starfish
(1) Earthworm
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