Botany MCQs for NEET — Practice Questions with Answers

The NCERT text states: 'Some organisms breed only once in their lifetime (Pacific salmon fish, bamboo) while others breed many times during their lifetime (most birds and mammals). Some produce a large number of small-sized offspring (Oysters, pelagic fishes) while others produce a small number of large-sized offspring (birds, mammals).' Option 3 correctly groups organisms that produce a large number of small-sized offspring.

The NCERT text explicitly states: 'Populations evolve to maximise their reproductive fitness, also called Darwinian fitness (high r value), in the habitat in which they live.'

According to the NCERT text: 'Some organisms breed only once in their lifetime (Pacific salmon fish, bamboo) while others breed many times during their lifetime (most birds and mammals).'

The NCERT text states: 'Ecologists suggest that life history traits of organisms have evolved in relation to the constraints imposed by the abiotic and biotic components of the habitat in which they live.'

The NCERT text mentions: 'Some produce a large number of small-sized offspring (Oysters, pelagic fishes) while others produce a small number of large-sized offspring (birds, mammals).' While Pacific salmon fish breed once, the question asks for characteristics of 'small number of large-sized offspring', which aligns with birds and mammals.

The NCERT text states: 'Some produce a large number of small-sized offspring (Oysters, pelagic fishes) while others produce a small number of large-sized offspring (birds, mammals).'

The summary section of the NCERT chapter states: 'The intrinsic rate of natural increase (r) is a measure of the inherent potential of a population to grow.'

The NCERT text says: 'Since resources for growth for most animal populations are finite and become limiting sooner or later, the logistic growth model is considered a more realistic one.'

The NCERT text clearly states: 'Populations have attributes that individual organisms do not- birth rates and death rates, sex ratio and age distribution.' While individuals experience births and deaths, the rates and ratios are population-level attributes.

The NCERT states: 'Ecology is basically concerned with four levels of biological organisation – organisms, populations, communities and biomes.'