Question:

Cytoskeleton is made up of ________ . (CBSE-2009)

A.

Proteinous fibre

B.

micro particles of CaCO3

C.

Cellulose

D.

Callose

Answer» a. Proteinous fibre

Question:

Prokaryotics differ form eukaryotics in ________ . (JIPMER-2005)

A.

Cell wall and DNA

B.

Plasma membrane and nucleus

C.

Plastid and nucleus

D.

DNA and mitochondria

Answer» a. Cell wall and DNA

Question:

The pedicel of the female flower coils after pollination in

A.

Lotu

B.

Hydrilla

C.

Vallisneria

D.

Trapa

Answer» c. Vallisneria

Question:

Select the correct option from column – I and column – II (Kerala PMT-2005)
Column – I Column – II
(P) Endoplasmic reticulum (1) Power house of cell
(Q) Free Ribosomes (2) Osmoregulation and excretion
(R) Mitochondria (3) Lipid synthesis
(S) Contractile vacuole (4) Protein synthesis

A.

(P-3) (Q-4) (R-1) (S-2)

B.

(P-1) (Q-2) (R-4) (S-3)

C.

(P-3) (Q-2) (R-1) (S-4)

D.

(P-3) (Q-4) (R-2) (S-1)

Answer» a. (P-3) (Q-4) (R-1) (S-2)

Question:

Stamen show homology with

A.

Gametophyte

B.

male cone

C.

Microsporophyll

D.

Sporangium

Answer» c. Microsporophyll

Question:

Wind pollination requires that the pollen grains are

A.

Heavy and we

B.

Heavy and non-sticky

C.

Light and dry

D.

Heavy and sticky

Answer» c. Light and dry

Question:

Where,ribosomes synthesis takes place? (AIPMT-2000)

A.

Nucleolu

B.

Nucleus

C.

Golgi body

D.

Plasma membrane

Answer» a. Nucleolu

Question:

Out of the four sets of appendages of a typical flower the outer two sets are

A.

Fertile

B.

Reproductive

C.

Sterile

D.

Filamentous

Answer» c. Sterile

Question:

During the development of monosporic development of embryo sac the nucleus of the functional megaspore divides

A.

Two time

B.

Three times

C.

One time

D.

Repeatedly

Answer» b. Three times

Question:

A proximal sterile part of the stamen is called

A.

Style

B.

Connective

C.

Anther

D.

Filament

Answer» d. Filament