Uridine, present only in RNA is a

Uridine, present only in RNA is a

Options

(a) Pyrimidine (b) Nucleoside (c) Nucleotide (d) Purine

Correct Answer:

Nucleoside

Explanation:

No explanation available. Be the first to write the explanation for this question […]

Megasporangium is equivalent to:

Megasporangium is equivalent to:

Options

(a) Fruit (b) Nucellus (c) Ovule (d) Embryo sac

Correct Answer:

Ovule

Explanation:

Ovule is also called integumented magasporangiu, It developes into seed after fertlization in spermatophytes. It […]

Yeast is used in the production of

Yeast is used in the production of

Options

(a) Citric acid and lactic acid (b) Lipase and pectinase (c) Bread and beer (d) Cheese and butter

Correct Answer:

Bread and beer

Explanation:

No […]

What is the function of germ pore?

What is the function of germ pore?

Options

(a) Emergence of radicle (b) Absorption of water for seed germination (c) Initiation of pollen tube (d) Release of male gametes

Correct Answer:

Initiation of pollen […]

Ureters act as urogenital ducts in

Ureters act as urogenital ducts in

Options

(a) human males (b) human females (c) frog’s bothe males and females (d) frog’s males

Correct Answer:

frog’s males

Explanation:

In male frogs the sperms are carried […]

Oxygenic photosynthesis occurs in:

Oxygenic photosynthesis occurs in:

Options

(a) Oscillatoria (b) Rhodospirillum (c) Chlorobium (d) Chromatium

Correct Answer:

Oscillatoria

Explanation:

Oxygenic photosynthesis occurs in Oscillatoria. Oscillatoria is a genus of filamentous cyanobacteria which is named for the […]

The viability of seeds is tested by

The viability of seeds is tested by

Options

(a) Safranine (b) 2, 6 dichlorophenol indophenols (c) 2, 3, 5 triphenyl tetrazolium chloride (d) DMSO

Correct Answer:

2, 3, 5 triphenyl tetrazolium chloride

Explanation: […]

Placentation in tomato and lemon is

Placentation in tomato and lemon is

Options

(a) Parietal (b) Free central (c) Marginal (d) Axile

Correct Answer:

Axile

Explanation:

Parietal Ex. – Mustard Free central Ex. – Primula & Dianthus Marginal Ex. […]

Infectious proteins are present in:

Infectious proteins are present in:

Options

(a) Gemini viruses (b) Prions (c) Viroids (d) Satellite viruses

Correct Answer:

Prions

Explanation:

Infections proteins are rich in prions. Prions are made of proteins without nucleic […]

Down’s syndrome in humans is due to

Down’s syndrome in humans is due to

Options

(a) Two ‘Y’ chromosomes (b) Three ‘X’ chromosomes (c) Three copies of chromosomes 21 (d) Monosomy

Correct Answer:

Three copies of chromosomes 21

Explanation:

Down’s […]

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