List of top Botany Questions asked in NEET (UG)

वह लवक (plastid) जो जैन्थोफिल का संचय करता है, ________ के रूप में जाना जाता है।

पर्णविन्यास (Phyllotaxy) ________ के लगने के क्रम को कहते हैं।

नीचे दो कथन दिए गए हैं :
कथन I : प्रोफेज I के अंत में गुणसूत्र पूरी तरह से संघनित हो जाते हैं।
कथन II : अर्धसूत्री विभाजन I (Meiosis I), समसूत्री विभाजन (Mitosis) के समान होता है।

Given below are two statements: Statement I: Chromosomes are fully condensed at the end of prophase I. Statement II: Meiosis I resembles mitosis. Choose the most appropriate answer from the options given below:

How many theca are present in each lobe of a typical bilobed angiosperm anther?

Given below are two statements:
Statement I: Plasmids are autonomously replicating DNA.
Statement II: Plasmids are extrachromosomal DNA.
In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following in female gametophyte of an angiosperm helps in guiding the pollen tube for fertilizing the eggs ?

During PCR, primers bind to the DNA strands in the __________ step.

Which of the following statements are correct?
(a) Energy flow from producers to consumers is unidirectional
(b) Energy pyramid can never be inverted
(c) Transfer of energy follows the 1% law
Choose the correct answer from the options given below :

If the diploid chromosome number of typical angiosperm is 36, what would be the chromosome number in its endosperm ?

Which of the following are primary consumers in a food chain ?

Which of the following enzymes synthesizes precursor mRNA ?

Which of the following statements about lac-operon is correct ?

The inactive form of Bt toxin is converted to the active form in the insect gut

Which of the following is used as a clot buster ?

Which of the following is used as an effective sedative and painkiller for treating post-surgery patients ?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Abingdon tortoise in Galapagos islands became extinct within a decade after goats were introduced.
Reason R: Goats were more efficient at browsing than Abingdon tortoise.
In the light of the above statements, choose the most appropriate answer from the options given below:

Which of the following plant produces non-albuminous seeds ?

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: In recombinant DNA technology, lysozyme is used for disrupting bacterial cells while cellulase is used for plant cells.
Reason R: Isolation of genetic material needs disruption of cells.
In the light of the above statements, choose the most appropriate answer from the options given below:

Arrange the following in descending order of number of species in the Amazonian rain forest.
(a) Plants
(b) Birds
(c) Fishes
(d) Invertebrates
(e) Mammals
Choose the correct answer from the options given below:

The correct sequence of adult cell cycle phases is

Which of the following statement is correct regarding enzymes?