AIPMT-PRELIMS Botany Questions

Removal of introns and joining of exons in a defined order during transcription in called

An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is

Water containing cavities in vascular bundles are found in

Ribosomal RNA is actively synthesized in

Which one of the following does not differ in E.coli and Chlamydomonas?

Consumption of which one of the following foods can prevent the kind of blindness associated with vitamin ‘A’ deficiency?

The gynoecium consists of many free pistils in flowers of

Yeast is used in the production of

Which one of the following is correctly matched?

Maximum nutritional diversity is found in the group

Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

Closed vascular bundles lack

Which one of the following is wrong statement?

Which one of the following is a correct statement?

Identify the possible line “A” in the following food chain: Plant → insect → frog → “A” → Eagle

Which one of the following areas in India, is a hotspot of biodiversity?

Phyllode is present in

The highest number of species in the world is represented by

Vexillary aestivation is characteristic of the family

Give below is the representation of a certain event at a particular stage of a type of cell division. Which is this stage?

Which statement is wrong for viruses?

The correct sequence of cell organelles during photorespiration is

Which one of the following is an example of carrying out biological control of pests/diseases using microbes?

A normal-visioned man whose father was colour-blind, marries a woman whose father was also colour-blind. They have their first child as a daughter. What are the chances that this child would be colour-blind?

Best defined function of Manganese in green plants is

Even in absence of pollinating agents seed-setting is assured in

The most abundant prokaryotes helpful to humans in marking curd from milk and in production of antibiotics are the ones categorised as

Which one single organisms or the pair of organisms is correctly assigned to its or their named taxonomic group?

Which one of the following is not a part of a transcription unit in DNA?

Gymnosperms are also called soft wood spermatophytes because they lack

A nitrogen-fixing microbe associated with Azolla in rice fields is

Cymose inflorescence is present in

Which one of the following is correctly matched?

A process that makes important difference between C₃ and C₄ plants is

Placentation in tomato and lemon is

If one strand of DNA has the nitrogenous base sequence as ATCTC, what would be the complementary RNA strand sequence?

Select the correct statement from the following regarding cell membrane

For transformation, micro-particles coated with DNA to be bombarded with gene gun are made up of

The upright pyramid of number is absent in

Given below is an imaginary pyramid of numbers. What could be one of the possibilities about certain organisms at some of the different levels?

The common bottle cork is a product of

Nuclear membrane is absent in

The cyanobacteria are also referred to as

Which one of the following microbes forms symbiotic association with plants and helps them in their nutrition?

Removal of RNA polymerase III from nucleoplasm will affect the synthesis of

F₂ generation in a Mendelian cross showed that both genotypic and phenotypic ratios are same as 1 : 2 : 1. It represents a case of

Monascus purpureus is a yeast used commercially in the production of

The coconut water and the edible part of coconut are equivalent to

Companion cells are closely associated with

Which one of the following is not a gaseous biogeochemical cycle in ecosystem?