Cytoskeleton is made up of:

Cytoskeleton is made up of:

Options

(a) callose depsits (b) cellulosic microfibrils (c) proteinaceous filaments (d) calcium carbonate granules

Correct Answer:

proteinaceous filaments

Explanation:

The cytoskeleton is made up of three kinds of […]

Flowers are zygomorphic in :

Flowers are zygomorphic in :

Options

(a) mustard (b) gulmohur (c) ioruato (d) Datura

Correct Answer:

gulmohur

Explanation:

When a flower can be divided into two similar halves only in one particular vertical […]

Closed vascular bundles lack

Closed vascular bundles lack

Options

(a) Ground tissue (b) Conjunctive tissue (c) Cambium (d) Pith

Correct Answer:

Cambium

Explanation:

In closed vascular bundle cambium is absent between xylem and phloem.

Advantage of cleistogamy is:

Advantage of cleistogamy is:

Options

(a) More vigorous offspring (b) No dependence of pollinators (c) Vivipary (d) Higher viability of seeds

Correct Answer:

No dependence of pollinators

Explanation:

Cleistogamy favour sno dependence on […]

Wind pollination is common in

Wind pollination is common in

Options

(a) legumes (b) lilies (c) grasses (d) orchids

Correct Answer:

grasses

Explanation:

Wind pollination is common in grasses. Grasses produce large amount of pollen which by the […]

The plant body is thalloid in

The plant body is thalloid in

Options

(a) Funaria (b) Sphagnum (c) Salvinia (d) Marchantia

Correct Answer:

Marchantia

Explanation:

The plant body of a liverwort is haploid (n), gametophytic, small, dorsoventrally flattened, thallose, dichotomously […]

Sweet potato is homologous to

Sweet potato is homologous to

Options

(a) Potato (b) Colocasia (c) Ginger (d) Turnip

Correct Answer:

Turnip

Explanation:

Sweet potato and turnip both are roots and become modified for special functions, the most […]

Nuclear membrane is absent in

Nuclear membrane is absent in

Options

(a) Penicillium (b) Agaricus (c) Volvox (d) Nostoc

Correct Answer:

Nostoc

Explanation:

Nostoc is prokaryote while rest are eukaryotes. Nuclear membrane is absent in prokaryotes.

Mutations can be indued with:

Mutations can be indued with:

Options

(a) infra red radiations (b) I AA (c) ethylene (d) gamma radiations

Correct Answer:

gamma radiations

Explanation:

Mutation can be induced by gamma radiation.

Elbow joint is an example of:

Elbow joint is an example of:

Options

(a) hinge joint (b) gliding joint (c) ball and socket joint (d) pivot joint

Correct Answer:

hinge joint

Explanation:

Elbow joint is an example of hinge joint. […]

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