List of top Botany Questions

It is not involved in recombinant DNA production.
Co factor that forms coordination bonds with side chains at active site of enzyme
Deficiency of the following causes Necrosis or death of leaf tissue

Match the following
 

Set I Set II Set III 
I.DNA LigaseA.Polymerisationi.Okazaki fragments
II.DNA PolymeraseB.Intronsii.Reactive & unstable
III.SplicingC.Joiningiii.mRNA
IV.RibozymeD.RNA Enzymeiv.One direction
Bi-collateral vascular bundles can be found in these plants
A. Smilax zeylanica
B. Lilium candidum
C. Lycopersicon esculentum
D. Withania somnifera
Assertion (A): Bio piracy is use of bio resources by multinational companies with proper authorization from the other countries and people.
Reason (R): Industrialized nations are poor at biodiversity but rich financially.
Match the following
List AList B
A) Stigma II) Tip of the style
B) Seat of ovulesIII) Placenta
C) Basal part of GynoeciumIV) Ovary
D) Elongated tubeI) Style
In plants, sugar synthesis takes place in
Intercalary meristematic zone, Paraphyses, Elaters are the characters of these Bryophytes respectively
The number of identification characters for the Bryophyllum from the given list
- Monochasial cyme
- Epiphyllous buds
- Leaf notches
- Adventitious roots
- Whorled leaves
Four plants are observed. ‘A’ is a primitive land plant. ‘B’ is embryophytic archegoniate phanerogam. ‘C’ is autotrophic thallophyte showing haplontic life cycle. ‘D’ is nonflowering plant with heterosporous sporangium. The plants found respectively are
The structures that appear as “Beads-on-string” in the chromatin and the number of base pairs are
The bonds found in a polynucleotide chain between the individual nucleotides and nitrogen bases are
Choose incorrect statement related to diffusion
The reason for the genetic variation in the population of organisms
The ascending order of molecules of the following compounds released during the oxidation of two molecules of pyruvic acid: FADH\(_2\), CO\(_2\), NADH\(_2\)
Assertion (A): C\(_4\) plant loses only half of the water compared to C\(_3\) plant for the same amount of CO\(_2\) fixed. Reason (R): C\(_4\) photosynthetic system is evolved for maximizing the availability of CO\(_2\) while minimizing water loss.
Read and find the correct statement from the given below
A. Species is a group of individual organisms with fundamental dissimilarities.
B. Few similar characters are assigned to a higher category in a division.
C. A decrease in number of common characters is observed from species to kingdom.
D. Lower taxa shares more characters within the members.
Placentation in which ovules develop either on the inner wall of the ovary or attached on the peripheral part
Arrange the following in a sequence in primary succession in water:
A: Sedges and grasses
B: Trees
C: Phytoplankton
D: Free floating plants
If chromosome number in meiocyte of rice is 24, then the chromosome number in the pollen grains is
Substances that undergo upward or downward transport
Assertion (A): Cistron is a segment of DNA coding for a polypeptide.
Reason (R): Monocistronic structural genes are not splitted in Eukaryotes.
The correct match among the following
  • I. Clostridium - Botulism
  • II. Diplococcus - Pneumonia
  • III. Treponema - Gonorrhoea
  • IV. Neisseria - Tetanus
Assertion (A): Trichoderma polysporum produces cyclosporin A, an immunosuppressive agent.
Reason (R): It is used in organ transplant patients.