Nucleuscore of the chlorophyll contains

Nucleus/core of the chlorophyll contains

Options

(a) Fe (b) Mn (c) Mg (d) CH₃

Correct Answer:

Mg

Explanation:

Nucleus/core of chlorophyll contains magnesium. The chlorophylls are basically chelate salts of magnesium (Mg).

Surface tension vanishes at

Surface tension vanishes at

Options

(a) boiling point (b) critical point (c) condensation point (d) triple point

Correct Answer:

critical point

Explanation:

At critical point, the meniscus between the liquid and the vapour […]

Which is maintained for optimum production of vinegar

Which is maintained for optimum production of vinegar

Options

(a) Anaerobic condition (b) Temperature at 65 ̊C (c) Aerobic conditions (d) Microaerophilic condition

Correct Answer:

Aerobic conditions

Explanation:

No explanation available. Be the […]

The pH of gastric juice is

The pH of gastric juice is

Options

(a) 2.0 – 3.0 (b) 2.6 – 6.8 (c) 3.7 – 8.5 (d) 4.7 – 9.0

Correct Answer:

2.0 – 3.0

Explanation:

No explanation available. Be […]

Which is not the cellular element of blood?

Which is not the cellular element of blood?

Options

(a) T-cell (b) B-cell (c) plasma (d) monocyte

Correct Answer:

plasma

Explanation:

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

In plant biotechnology, root tumours are induced by

In plant biotechnology, root tumours are induced by

Options

(a) Rhizobium (b) Agrobacterium tumefaciens (c) Agrobacterium rhizogenes (d) Agrobacterium basilis

Correct Answer:

Agrobacterium rhizogenes

Explanation:

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

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