SMART INSTITUTE NMDCAT BIOLOGY-3 TS

1-It is synthesized by free floating ribosomes of cytoplasm in humans

pancreatic lipase

insulin

salivary amylase

DNA helicase

2-These play vital role in defense activity of macrophages

mitochondria

lysozymes

lysosomes

ribosomes

3-If size of particle is large or it has polarity, the suitable method of transportation will be

osmosis

diffusion

facilitated diffusion

passive transport

4-The ratio of RNA and protein in a ribosome is

1:1

2:3

4:7

3:1

5-Excreotory granules bud off from

golgi bodies

SER

vacuoles

nucleus

6-Which of the following can maintain the shape of the cell?

microtubules

intermediate filaments

microfilaments

all of these

7-Semi-autonomous organelle is

endoplasmic reticulum

chloroplast

peroxisomes

golgi bodies

8-Which of the following membrane has the largest number of proteins?

erthrocytes

inner mitochondrial membrane

outer mitochondrial membrane

myelin sheath

9-Which of the following protein is present in microtubles?

tubulin

myosin

actin

trpomyosin

10-A function that is not related to smooth endoplasmic reticulum

calcium storage

steroid synthesis

enzyme synthesis

mechanical support

11-Which layer of stomach helps in churning of food?

inner layer

middle layer

outer layer

basal layer

12-Chemical digestion of food begins at

stomach

ileum

oral cavity

duodenum

13-Pancreatic juice and bile are poured through

a common duct into duodenum

two distinct ducts into duodenum

a common duct into ileum

two distinct ducts into ileum

14-Residual volume in the lungs of a human during exercise is

0.5 L

3-4.5 L

1 L

1.5 L

15-Lungs are spongy because of presence of millions of

bronchi

parabronchi

alveoli

air sacs

16-Total inside capacity of lungs

0.5 L

5000 mL

1.5 L

17-The decrease in pH of blood has ......... effect on the oxygen carrying capacity of haemoglobin

positive

negative

no effect

first negative than positive

18-blood passes from left ventricle to right atrium. It is

systemic circulation

pulmonary circulation

coronary circulation

atrio-venous circulation

19-Lymph nodes are drained by

single afferent vessel

many afferent vessels

single efferent vessel

many efferent vessels

20-Skin and mucous are an example of

1st line of defense

2nd line defense

3rd line defense

4th line defense

21-The end of the leaf is modified to form a hood, happens in

venus fly trap

pitcher plant

sundew

all

22-The system of interconnected protoplasts in the root cells

symplast pathway

vacuolar pathway

apoplast pathway

all

23-Maximum water potential is of:

salt water

fresh water

pure water

marine water

24-Total number of "free ribs" in human body is:

25-Which band does not change its length during muscle contraction?

I-band

A-band

2 Z-lines

A and I band

26-Immediate source of energy for muscle contraction is

glucose

glycogen

ATP

creatine phosphate

27-Which of the following protein starts muscle contraction by binding with Ca++?

myosin

tropomyosin

troponin

actin

28-Which of the following band allows most of the light to pass through it?

A-band

I-band

muscle bundle

muscle fiber

29-Small bone located at the base of the skull which does not articulate with any other bone of the head is

incus

hyoid

malleus

stapes

30-When muscle contracts, thick and thin filaments undergo

overlapping

shifting

shortening

contraction

31-Majority of hemophilic patients suffer from deficiency of

factor VII

factor VIII

factor IX

factor XI

32-XXY in humans is

sterile male

sterile female

fertile male

fertile female

33-From the following options, pick the one that best depicts the phenotypic and genotypic ratios of monohybrids of F2 generation?

1:2:1 and 3:1 respectively

3:1 and 1:2:1 respectively

9:3:3:1 and 1:2:1 respectively

3:1 and 9:3:3:1 respectively

34-Which one might be the blood group of an individual with the following genetic makeup: L^M L^N, I^A i, Dd, hh

phenotypically MN, O and positive

phenotypically MN, A and positive

phenotypically MN, A and negative

phenotypically MN, O and negative

35-If a woman carrier for hemophilia marries a normal man, then

all sons will suffer from hemophilia

all daughters will suffer from hemophilia

half sons and half daughters will suffer from hemophilia

all statements are incorrect