briefmock.com

"📘 Here is the NEET 2026 syllabus – Download Now"

Botany Test - 50

Welcome to your Bot/50

1. 
A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expected in the progeny?

2. 
Spraying sugarcane crop with which of the following plant growth regulators, increases the length of stem, thus, increasing the yield?

3. 
Identify the correct description about the given figure:

4. 
Auxin is used by gardeners to prepare weed-free lawns. But no damage is caused to grass as auxin

5. 
The lactose present in the growth medium of bacteria is transported to the cell by the action of

6. 
Which one of the following is not a criterion for classification of fungi?

7. 
Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

8. 
A pink flowered Snapdragon plant was crossed with a red flowered Snapdragon plant. What type of phenotype/s is/are expected in the progeny?

9. 
"These are regarded as major causes of biodiversity loss: A. Over exploitation B. Co-extinction C. Mutation D. Habitat loss and fragmentation E. Migration Choose the correct option:"

10. 
The type of conservation in which the threatened species are taken out from their natural habitat and placed in special setting where they can be protected and given special care is called

11. 
Which of the following is an example of actinomorphic flower?

12. 
"Match List I with List II List I List II A. Frederick Griffith I. Genetic code B. Francois Jacob & Jacque Monod II. Semi-conservative mode of DNA replication C. Har Gobind Khorana III. Transformation D. Meselson & Stahl IV. Lac operon Choose the correct answer from the options given below:"

13. 
"Match List I with List II List I List II A. Clostridium butylicum I. Ethanol B. Saccharomyces cerevisiae II. Streptokinase C. Trichoderma polysporum III. Butyric acid D. Streptococcus sp. IV. Cyclosporin-A Choose the correct answer from the options given below:"

14. 
A transcription unit in DNA is defined primarily by the three regions in DNA and these are with respect to upstream and down stream end;

15. 
The cofactor of the enzyme carboxypeptidase is:

16. 
How many molecules of ATP and NADPH are required for every molecule of COâ‚‚ fixed in the Calvin cycle?

17. 
In a plant, black seed color (BB/Bb) is dominant over white seed color (bb). In order to find out the genotype of the black seed plant, with which of the following genotype will you cross it?

18. 
Hind II always cuts DNA molecules at a particular point called recognition sequence and it consists of:

19. 
"Match List I with List II List I List II A. Rose I. Twisted aestivation B. Pea II. Perigynous flower C. Cotton III. Drupe D. Mango IV. Marginal placentation Choose the correct answer from the options given below :"

20. 
"What is the fate of a piece of DNA carrying only gene of interest which is transferred into an alien organism? A. The piece of DNA would be able to multiply itself independently in the progeny cells of the organism. B. It may get integrated into the genome of the recipient. C. It may multiply and be inherited along with the host DNA. D. The alien piece of DNA is not an integral part of chromosome. E. It shows ability to replicate. Choose the correct answer from the options given below:"

21. 
" Match List I with List II List-I List-II A. Nucleolus I. Site of formation of glycolipid B. Centriole II. Organization like the cartwheel C. Leucoplasts III. Site for active ribosomal RNA synthesis D. Golgi apparatus IV. For storing nutrients Choose the correct answer from the options given below:"

22. 
Inhibition of Succinic dehydrogenase enzyme by malonate is a classical example of:

23. 
List I (Terms) A Two or more alternative forms of a gene B Cross of F1 progeny with homozygous recessive parent C Cross of F1 progeny with any of the parents D Number of chromosome sets in plant List II (Definitions) I Back cross II Ploidy III Allele IV Test cross

24. 
Spindle fibers attach to kinetochores of chromosomes during

25. 
The equation of Verhulst-Pearl logistic growth is, From this equation, K indicates: dN/dt = rN[(K−N)/K]

26. 
"Given below are two statements: Statement I : Chromosomes become gradually visible under light microscope during leptotene stage. Statement II : The beginning of diplotene stage is recognized by dissolution of synaptonemal complex. In the light of the above statements, choose the correct answer from the options given below:"

27. 
Identify the type of flowers based on the position of calyx, corolla and androecium with respect to the ovary from the given figures (a) and (b)

28. 
"Match List I with List II List I List II A. Robert May I. Species-Area relationship B. Alexander von Humboldt II. Long term ecosystem experiment using out door plots C. Paul Ehrlich III. Global species diversity at about 7 million D. David Tilman IV. Rivet popper hypothesis Choose the correct answer from the options given below:"

29. 
Bulliform cells are responsible for

30. 
"Match List I with List II List-I List-II A. Rhizopus I. Mushroom B. Ustilago II. Smut fungus C. Puccinia III. Bread mould D. Agaricus IV. Rust fungus Choose the correct answer from the options given below:"

31. 
" Match List I with List II List-I List-II A. Nucleolus I. Site of formation of glycolipid B. Centriole II. Organization like the cartwheel C. Leucoplasts III. Site for active ribosomal RNA synthesis D. Golgi apparatus IV. For storing nutrients Choose the correct answer from the options given below:"

32. 
"Given below are two statements: Statement I : Bt toxins are insect group specific and coded by a gene cry IAc. Statement II : Bt toxin exists as inactive protoxin in B. thuringiensis. However, after ingestion by the insect the inactive protoxin gets converted into active form due to acidic pH of the insect gut. In the light of the above statements, choose the correct answer from the options given below:"

33. 
"Tropical regions show greatest level of species richness because A. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification. B. Tropical environments are more seasonal. C. More solar energy is available in tropics. D. Constant environments promote niche specialization. E. Tropical environments are constant and predictable. Choose the correct answer from the options given below."

34. 
Formation of interfascicular cambium from fully developed parenchyma cells is an example for

35. 
" Identify the set of correct statements: A. The flowers of Vallisneria are colourful and produce nectar. B. The flowers of water lily are not pollinated by water. C. In most of water-pollinated species, the pollen grains are protected from wetting. D. Pollen grains of some hydrophytes are long and ribbon like. In some hydrophytes, the pollen grains are carried passively inside water. Choose the correct answer from the options given below."

36. 
Lecithin, a small molecular weight organic compound found in living tissues, is an example of

37. 
"Match List I with List II List I List II A. Clostridium butylicum I. Ethanol B. Saccharomyces cerevisiae II. Streptokinase C. Trichoderma polysporum III. Butyric acid D. Streptococcus sp. IV. Cyclosporin-A Choose the correct answer from the options given below:"

38. 
"Which one of the following can be explained on the basis of Mendel's Law of Dominance? A. Out of one pair of factors one is dominant and the other is recessive. B. Alleles do not show any expression and both the characters appear as such in F2 generation. C. Factors occur in pairs in normal diploid plants. D. The discrete unit controlling a particular character is called factor. E. The expression of only one of the parental characters is found in a monohybrid cross. Choose the correct answer from the options given below:"

39. 
"Which of the following are required for the dark reaction of photosynthesis? A. Light B. Chlorophyll C. CO2 D. ATP E. NADPH Choose the correct answer from the options given below:"

40. 
"116. Given below are two statements: Statement I : Parenchyma is living but collenchyma is dead tissue. Statement II : Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms. In the light of the above statements, choose the correct answer from the options given below:"

41. 
In the given figure, which component has thin outer walls and highly thickened inner walls?

42. 
Which one of the following is not a criterion for classification of fungi?

43. 
Identify the part of the seed from the given figure which is destined to form root when the seed germinates

44. 
List of endangered species was released by

45. 
The capacity to generate a whole plant from any cell of the plant is called