List of top Botany Questions

Assertion (A): There is rising cost for pollinator-dependent fruits and vegetables.
Reason (R): Many pollinators are disrupted as they exist in isolation.
The anatomical characteristic features of hydrophytes are
The correct match among the following
  • I. Clostridium - Botulism
  • II. Diplococcus - Pneumonia
  • III. Treponema - Gonorrhoea
  • IV. Neisseria - Tetanus
Structure of bacteriophages is complicated because they show
Enzymes are denatured by
Deficiency of the following causes Necrosis or death of leaf tissue
Choose incorrect statement related to diffusion
Hydroponics was first demonstrated by
Choose the correct combinations from the following
  • A. Induce sprouting of Potato tubers - Ethylene
  • B. Kill the dicot weeds - Cytokinin
  • C. Increase in stalk length of grapes - Gibberellins
  • D. Induce apical dominance - Auxins
'Transketolase' catalyses the following reaction
In the chromatin the charge of a DNA and associated proteins, the number of types of histones and copies are
A. Positive, Negative
B. Negative, Positive
C. 4.2
D. 16.4
Find the correct sub-phase based on the arrangement of chromosomes during M-phase. M-phase -- The arrangement of chromosomes at different stages.
Number of base pairs in a full turn of the helical strand and the distance between base pairs in B-DNA.
The hypodermis tissues in dicot and monocot stems respectively
The most abundant protein in the whole of the biosphere

Match the following:

List IList II
I) Well developed large pithD) Monocot root
II) Casparian stripsA) Endodermis
III) Sclerenchymatous bundle sheathC) Dicot stem
IV) Endarch protoxylemB) Monocot stem

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.

Match the following
List I orthotropus

Choose the correct statement related to the morphology of Cassia
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 following plant is characterized by trimerous flowers, superior and trilocular ovary with axile placentation.
Arrange the following events in the correct sequence during the process of fertilization in Angiosperms: I. Fusion of other male gamete with polar nuclei
II. Transfer of pollen grains from anther to stigma
III. Fusion of male gamete with egg nucleus
IV. Release of male gametes into cytoplasm synergid
V. Pollen tube formation
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
Choose the correct answer from the given statements below:
A student has identified certain fungi given below and classified under this number of classes. Mucor, Claviceps, Puccinia, Albugo, Neurospora