List of top Botany Questions

Formation of an embryo from an unfertilized female gamete

Which of the following statements are correct?
I. In cyathium flowers are pollinated by Blastophaga
II. Bilipped corolla is seen in Ocimum
III. Basal placentation is found in Dianthus
IV. Whorled phyllotaxy is found in Alstonia

Identify the correct combinations from the following:

Food materials are stored in this algae in these bodies:

Choose the correct combination from the following:

Study the following characters of organisms and identify to arrange in sequence:
A: Glycogen and chitin
B: Pigments in cell, mesokaryon
C: Pellicle, cytostome

The technical presentation of Mango should be as follows:
I. Abbreviated form of author name after the specific epithet
II. Both the words should be printed in italics
III. The first word must represent genus
IV. Name should not be underlined when handwritten

Assertion (A): Bacillo viruses attack insects and arthropods
Reason (R): They have no negative impact on non-target insects

Choose correct pairs from the following:

Match the following food items with the nutrients they are commonly associated with:

Match the following scientific terms with their appropriate descriptions:

Process of technique of detecting HIV in suspected AIDS patients:

While isolating DNA from bacteria the following enzyme is not used:

Identify A, B, and C in the diagram of pBR322 (A, B, and C are restriction sites):

For efficient translation process, mRNA must have these:

Removal of introns and joining of exons in defined order is called:

In Morgan's linkage experiments on Drosophila recombinants percentage for white eye and yellow body is:

Match the following genetic terms with their appropriate descriptions:

In TMV (Tobacco Mosaic Virus), serially the Length, diameter, molecular weight, and capsomers number are:

Assertion (A): Rhodospirillum is not a photoheterotroph bacteria.
Reason (R): Photoheterotrophs obtain energy from light but carbon from organic sources.

Assertion (A): New cells are always being added to the plant body by the activity of the meristem.
Reason (R): The cells/tissues arising out of the same meristem have different structures at maturity.

Arrange the following respiratory substrates in increasing order based on ATPs they give on complete oxidation in three stages of aerobic respiration:
I: G-3-P (Glyceraldehyde 3-Phosphate)
II: Acetyl CoA
III: Acetyl CoA
IV: \(\alpha\)-Ketoglutarate (\(\alpha\)KGA)

Give the ratios between the following compounds in photosynthesis of plants:
A. Tetroses and sedoheptuloses
B. CO2 fixed and net production of G-3-P
C. DHAP takes part in regenerative phase and RUBP formed

The ratio of the number of electrons to be excited from PS II during non-cyclic photophosphorylation and PS I during cyclic phosphorylation respectively to form 120 ATPs