What is the breeding season of Pacific salmon fish and bamboo?

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Solution

Dear Student,

Both the Pacific salmon fish and bamboo only breed once in their lifetime. The Pacific salmon usually breeds in the spring( April, May and June) and after spawning they die. The bamboo tree flowers unpredictably, they flower only once in their lifetime and at an interval of 20 to 130 years depending on the type of bamboo.

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Similar questions

Q. Assertion: The Pacific salmon fishes reproduce once in their lifetime.
Reason: Organisms evolve to adopt the most efficient strategy for reproduction.

Q. Match column I with column II and identify the correct option.

Column I	Column II
A. Breed only once in their lifetime	1. Rat
B. Breed many times in their lifetime	2. Pacific salmon fish
C. More number of small sized offsprings	3. Elephant
D. Less number of large sized offsprings	4. Oysters

Match the column I with column II and select the correct option given.

$\begin{matrix} Column I & Column II A . & Allen's rule & (i) & Sigmoid curve due to limited resources B . & Verhulst - Pearl logistic growth & (i i) & Breed only once in their life - time C . & Extnction of Abingdon tortoise & (i i i) & Competition for same resources D . & Pacific Salmon fish and bamboo & (i v) & Colder climates mammals \end{matrix}$

Q. Match list I with list II and choose the correct options.

List I	List II
(a) Pacific salmon fish	1. Verhulst-Pearl logistic growth
(b) $N_{t} = N_{0} e^{e t}$	2. Breeds only once in lifetime
(c) Oyster	3. Exponential growth
(d) $d N / d t = r N (\frac{K - N}{K})$	4. A large number of small sized offspring

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