List of top Botany Questions

Identify the correct pair from the following
A. Golden algae - diatoms
B. Trichodesmium erythrium - Red Sea
C. Kieselguhr - Chrysophytes
D. Red tides of Mediterranean sea - Dinoflagellates

The transgenic Flavr Savr tomato carries cloned genes for
A. delay in ripening process
B. longer shelf life
C. added flavors
D. vitamin A

Choose the correct answer from the given statements below:

Among the following, the wrong statement related to Bt cotton

The colour of chlorophyll 'b' in the chromatogram.

The ratio of homozygous tall and dwarf plants in F2 generation in monohybrid cross is

This statement is incorrect related to genetic code

These features are not characteristics of dicotyledonous root:

• A. Radial vascular bundles.
• B. Pith little or absent.
• C. Vascular bundles 15 – 20.
• D. Cambium ring do not develop.

This type of cells are not present in phloem of a monocot stem.

Find the correct sub-phase based on the arrangement of chromosomes during M-phase. M-phase -- The arrangement of chromosomes at different stages.

Primary CO$_2$ acceptor in C$_4$ plants

The correct combinations among the following I. Artificial gene synthesis - H.G. Khorana - Cell Biology
II. Pollen Science - P.K.K. Nair - Pollinology
III. Respiration - Amon - Physiology
IV. Phylogenetic classification - Bessey - Taxonomy

Assertion (A): Photorespiration is a wasteful process.
Reason (R): There is no synthesis of sugars, ATP or NADPH, instead ATP is utilized and CO$_2$ is released in photorespiration.

The correct combinations among the following:

Scientist	Event / Contribution
I. Miescher	Named nuclein
II. Fisher	Discovered purines
III. Altman	Isolated nucleic acids
IV. Franklin	DNA X-ray diffraction

In the above reaction, a and b are
$2NH_{3} + 3O_{2}$ → a + $2NO_{2} + O_{2}$ → b → $2NO_{3}$

Choose the set of wrong combinations A) Acacia - Phyllode - Petiole
B) Nepenthes - Insectivorous plant - Nitrogen requirement
C) Hibiscus - Two leaves at each nodes - Alternate
D) Neem - Number of leaflets attached at common point - Pinnately compound

The smooth and rough endoplasmic reticulum are involved in the synthesis of

The hypodermis tissues in dicot and monocot stems respectively

Choose the correct statement related to the morphology of Cassia

Assertion (A): Loss or gain of a segment of DNA results in alteration in chromosomes.
Reason (R): Alterations in chromosomes do not result in abnormalities.