List of top Botany Questions

Function not related to Peroxysomes
In Pea plant, Mendel studied seven pairs of contrasting characters. The ratio of pairs of characters that are related to flower, pod and seed respectively:
Which of the following statements are correct about viroids?
Based on the number of coharts, arrange the following series in the descending order.
Tetracycline resistance gene of PBR322 shows recognition site for which restriction enzyme?
In several fungi and plants, the bisexual condition is denoted by
Identify the characters of ovules related to Bean family.
I. Body of ovule bends
II. Ovule is placed at right angles to the funiculus
III. Embryo sac is slightly curved
IV. Micropyle comes towards the funiculus
The length of DNA is 510 Å. It has 20% of 6-aminopurines. Find out the total number of nucleotides and total hydrogen bonds in that DNA:
Final acceptor of electrons in light reaction:
Match the following:
How many times the diploid number of chromosomes of Ophioglossum is more than haploid number of chromosomes of Zea mays?
Development of an embryo from an unfertilized egg cell is called as
Study the following showing different organisms with their taxonomic categories:
The figure given below shows lac operon and its function. Identify A, B, C and D respectively:
Crop varieties bred by hybridization, selection for disease resistance to fungi, bacteria and viral disease are given below. Identify mismatch:
Match the following
Match the following
Match the following
Consider the following statements:
Assertion (A): Water uptake by root hairs from soil occurs through osmosis
Reason (R): Casparian strips in endodermis are suberized
The given figure represents the termination process of transcription in bacteria. Identify A, B and C respectively
Identify the true statements given below
I. Gymnosperms have albuminous cells and sieve cells
II. Phloem fibres are made up of collenchyma cells
III. Phloem parenchyma is absent in most of the dicots
IV. Most of the Gymnosperms lack vessels in their xylem
Which of the following is quick referral systems in taxonomical studies?
Leaf tendrils and foliar stipules are found in this plant
Identify the wrong pair
Which seeds cannot germinate and establish without the presence of mycorrhizae?