GATE Life Sciences
113 questions · 1 years · 11 subjects
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19 questions shown in Botany. Filter for cleaner practice sessions.
Which one of the following plant families is characterized by the gynobasic style of female reproductive organ?
Which one of the following plant organs typically exhibits all the four features listed below? (i) Starch-enriched endodermis (ii) Conjoint, collateral and open vascular bundle (ii...
Correctly match the following molecules/methods in Group-I with their major uses in Group-II. Group-I (P) CRISPR-Cas9 (Q) DNA Microarray (R) Vir genes (S) RAPD Group-II (1) Global...
Which one of the following commercial products is used as a systemic fungicide to control plant diseases?
Which one of the following terms best describes the plants that are adapted to grow in acidic soil?
Which of the following plant genera is/are example(s) of partial stem parasite?
Which of the following amino acids contain(s) only one chiral center?
If an endosperm cell of a typical diploid angiosperm species has 15 chromosomes, then the number of chromosomes in a microspore mother cell of this species under normal circumstanc...
Which one of the following class(es) of genes, when deleted, would result in sepal formation in all the floral whorls of Arabidopsis, as per the rules of the typical ABC model of f...
Correctly match the following molecular assemblies in Group-I with their functions in Group-II. Group-I (P) Photosystem I (Q) Photosystem II (R) Cytochrome b6f complex (S) CF0-CF1...
Correctly match the following secondary metabolites in Group-I with their chemical classes in Group-II. Group-I (P) Codeine (Q) Podophyllotoxin (R) Resveratrol (S) Linamarin (T) Li...
Correctly match the following plant diseases in Group-I with their causal organisms in Group-II. Group-I (P) Red rot of sugarcane (Q) Tikka disease of groundnut (R) Late blight of...
Correctly match the following plant species in Group-I with their main economically important products in Group-II. Group-I (P) Gossypium arboreum (Q) Dalbergia sissoo (R) Hevea br...
Two genes X and Y are involved in root development in such a way that all the following three homozygous mutants show rootless phenotype. (i) Gain-of-function mutant of X (ii) Loss...
Which of the following combinations of photosynthetic carbon cycle in plants, and its matched biochemical reaction is/are correct?
Choose the correct combination(s) of alkaloid, source plant, and their main commercial use.
Which of the following statements is/are correct about plant movement?
Two completely linked genes A and B regulate plant height and flower colour, respectively, wherein the recessive mutant aa is dwarf bearing red flowers and the recessive mutant bb...
An enzyme following Michaelis-Menten kinetics, catalyses a reaction with an initial velocity (V₀) of 2 µM s⁻¹ at the substrate concentration of 10 µM. If the turnover number (kcat)...