NEET ( EM ) STUDY MATERIALS - 08

01.    Identify the substances having glycosidic bond and peptide bond, respectively in their structure

A)     Chitin, cholesterol

B)     Glycerol, trypsin

C)     Cellulose, lecithin

D)     Inulin, insulin

02.    The plant parts which consist of two generations - one within the other

(a)     Pollen grains inside the anther

(b)     Germinated pollen grain with two male gametes

(c)     Seed inside the fruit

(d)     Embryo sac inside the ovule

A)     (a) only

B)     (a), (b) and (c)

C)     (c) and (d)

D)     (a) and (d)

03.    The product(s) of reaction catalyzed by nitrogenase in root nodules of leguminous plants is/are

A)     Ammonia alone

B)     Nitrate alone

C)     Ammonia and oxygen

D)     Ammonia and hydrogen

04.    Identify the correct statement with regard to G1 phase (Gap 1) of interphase.

A)     DNA synthesis or replication takes place.

B)     Reorganisation of all cell components takes place.

C)     Cell is metabolically active, grows but does not replicate its DNA.

D)     Nuclear Division takes place.

05.    Cuboidal epithelium with brush border of microvilli is found in

 A)    Lining of intestine

 B)    Ducts of salivary gland

C)     Proximal convoluted tubule of nephron

D)     Eustachian tube

06.    Which of the following statements about inclusion bodies is incorrect?

A)     They are not bound by any membrane

B)     These are involved in ingestion of food particles

C)     They lie free in the cytoplasm

D)     These represent reserve material in cytoplasm

07.    Which is the important site of formation of glycoproteins and glycolipids in eukaryotic cells?

A)     Endoplasmic reticulum

B)     Peroxisomes

C)     Golgi bodies

D)     Polysomes

08.    In gel electrophoresis, separated DNA fragments can be visualized with the help of

A)     Acetocarmine in bright blue light

B)     Ethidium bromide in UV radiation

C)     Acetocarmine in UV radiation

D)     Ethidium bromide in infrared radiation

09.    Identify the wrong statement with reference to transport of oxygen

A)     Binding of oxygen with haemoglobin is mainly related to partial pressure of O2

B)     Partial pressure of CO2 can interfere with O2 binding with haemoglobin

C)     Higher H+ conc. in alveoli favours the formation of oxyhaemoglobin

D)     Low pCO2 in alveoli favours the formation of oxyhaemoglobin

10.    Ray florets have

A)     Inferior ovary

B)     Superior ovary

C)     Hypogynous ovary

D)     Half inferior ovary