List of top Botany Questions

Selaginella is also known as:

The example of facultative CAM plant which carries on C₃ metabolism under unstressed conditions is:

Identify the plants from the following which do not exhibit Kranz anatomy:
A. Aloe
B. Zea mays
C. Agave
D. Opuntia
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Arrange the following substrates of the glycolysis pathway in a chronological order of their occurrence in the pathway, starting from Glucose.
A. Fructose-6-phosphate
B. Pyruvic acid
C. Glucose-6-phosphate
D. 2- Phosphoglycerate
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Specialised cells are generally found in the plant leaves which contain outgrowths of epidermal cell wall, made of calcium carbonate or silicon dioxide in a cellulose matrix are called as:

Paracytic type of stomata are distinctive feature of:

The genera which belongs to the family Characeae are:
A. Tolypella
B. Nitella
C. Nigella
D. Chara
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Which of the following statements are correct regarding protein synthesis in eukaryotes?
A. 3'-Cap of mRNA present.
B. Ribosomes of 80S type dissociate into 40S and 60S subunits.
C. Translation is not simultaneous with transcription.
D. Initiation codon of mRNA is recognised by anticodon of Met-tRNA.
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The elements of the xylem are:
A. Tracheids
B. Vessels
C. Xylem parenchyma
D. Sclereids
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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)
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The role of Bulliform cells in monocotyledonous leaves is :

Match the LIST-I with LIST-II

LIST-I Types of Sclereids	LIST-II  Examples
A. Astrosclereids	IV. Nymphea leaves
B. Macrosclereids	III. Kidney bean seeds
C. Osteosclereids	II. Olive leaves
D. Trichosclereids	I. Leaves of Monocots

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Match the LIST-I with LIST-II

LIST-I (Characteristic, feature)	LIST-II  (Family)
A. Monoadelphous stamen	I. Malvaceae
B. Cremocarp	III. Apiaceae
C. Gynobasic style	II. Lamiaceae
D. Capitulum	IV. Asteraceae

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A specimen cited in the protologue is neither the holotype nor an isotype, nor one of the syntypes. This specimen is known as:

Match the LIST-I with LIST-II

LIST-I Plant Name	LIST-II  Most common part as medicine
A. Withania somnifera	III. Root
B. Aloe barbedensis	II. All parts of plants
C. Aegle marmelos	I. Fruit
D. Datura metel	IV. Leaves

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The major phytochemicals present in leaves of Camellia sinensis are:
A. Epicatechin gallate
B. Caffeine
C. Theobromine
D. Epigallocatechin gallate
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White jute is obtained from:

Match the LIST-I with LIST-II

LIST-I Class of Mutagens	LIST-II  Examples
A. Alkylating agent	III. Mustard gas
B. Base analog	IV. 5-Bromouracil
C. Intercalating agent	I. Acridine Orange
D. Deamination agent	II. Nitrous acid

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Match the LIST-I with LIST-II

LIST-I Gene Interaction	LIST-II  Dihybrid ratio for a single character
A. Duplicate dominant epistasis	I. 9:7
B. Duplicate recessive epistasis	II. 15:1
C. Recessive epistasis	III. 9:3:4
D. Dominant & Recessive Epistasis	IV. 13:3

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The botanical name of Fenugreek (methi):

Guttation occurs when:

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

Match the LIST-I with LIST-II

List-I (Family/Characteristic, etc.)	List-II (Species/Examples)
(A) Myrtaceae	(I) Psidium
(B) Hypanthodium inflorescence	(III) Fig
(C) Caryophyllaceae	(II) Carnation
(D) Asteraceae	(IV) Inula

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A flower is hypogynous with axile placentation and swollen placenta. Which family does this flower belong to?

What is the role of NAD(P)H as a component of Nitrate reductase in Nitrogen fixation?