List of top Botany Questions

Development of an embryo from an unfertilized egg cell is called as
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:
Identify the correct matching pair to Calvin cycle:
Match the following
Match the following
Study the following showing different organisms with their taxonomic categories:
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
Consider the following statements:
Assertion (A): Water uptake by root hairs from soil occurs through osmosis
Reason (R): Casparian strips in endodermis are suberized
Observe the chemical reaction and identify the enzyme and its prosthetic group:
Which of the following is quick referral systems in taxonomical studies?
Assertion (A): In Liliaceae, flowers are homochlamydeous
Reason (R): In Liliaceae perianth is differentiated
Identify the correctly matched pairs.
A. Leptotene - Synapsis occurs
B. Zygotene - Pairing of homologous chromosomes
C. Pachytene - Crossing over do not occur
D. Diplotene - Nuclear membrane dissolves
E. Diakinesis - Terminalisation of chiasmata
Consider the following statements:
Assertion (A): Seed dormancy may be caused by hard seed coats in Fabaceae
Reason (R): Such type of seed dormancy can be broken by stratification
Match the following
Which seeds cannot germinate and establish without the presence of mycorrhizae?
Leaf tendrils and foliar stipules are found in this plant
Identify the wrong pair
Identify the sclerenchymatous structures (parts) given below related in dicot and monocot stems:
I. Pericycle in young dicot stem
II. Hypodermis in monocot stem
III. Vascular bundle sheath in monocot stem
IV. Endodermis in dicot stem
The role of Bulliform cells in monocotyledonous leaves is :
To increase the amount of mugineic acid, rice plants were transformed (using Agrobacterium) with a fragment of barley genomic DNA containing two naat genes; naat-A and naat-B, encoding the subunits of the enzyme
What is the correct general scheme of the fungal succession on herbivore dung:
A. Basidiomycetes
B. Discomycetes
C. Phycomycetes
D. Pyrenomycetes
Choose the correct answer from the options given below:
Which of the following is a macrophyte?
In which of the following molecular markers, polymerase chain reaction (PCR) is required?
A. Restriction Fragment Length Polymorphism (RFLP)
B. Random Amplified Polymorphic DNAs (RAPD)
C. Amplified Fragment Length Polymorphism (AFLP)
D. Sequence-Tagged Sites (STSs)
Choose the correct answer from the options given below: