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The wall of alimentary canal from oesophagus to rectum posses four layers. The sequence of these layers is
1. Serosa$\to$Mucosa$\to$Submucosa$\to$Muscularis
2. Muscularis$\to$Serosa$\to$Mucosa$\to$Submucosa
3. Serosa$\to$Muscularis$\to$Mucosa$\to$Submucosa
4. Serosa$\to$Muscularis$\to$Submucosa$\to$Mucosa

Brunner's glands occur in
1. sub-mucosa of duodenum
2. sub-mucosa of stomach
3. mucosa of oesophagus
4. mucosa of ileum

Common bile duct is formed when
1. Right and left hepatic ducts are fused
2. Bile duct is fused with pancreatic duct
3. Cystic duct is fused with right hepatic duct
4. Cystic duct (duct of gall bladder) is fused with a common hepatic duct

A muscular sphincter regulating opening of oesophagus into the stomach is called
1. Pyloric sphincter
2. Cardiac Sphincter
3. Sphincter of oddi
4. Boyden sphincter

Pepsinogen is activated by
1. Trypsin
2. Chymotrypsin
3. HCl
4. ${\mathrm{Na}}^{+}$

Emulsification of fat is carried out by
1. Bile pigments
2. Bile salts
3. HCl
4. Pancreatic juice

Three secretions meeting the food in small intestine are
1. Bile, gastric juice and saliva
2. Bile, pancreatic juice and gastric juice
3. Pancreatic juice, intestinal juice and gastric juice
4. Bile, pancreatic juice and sucus intericus

Epithelial cells of the intestine involved in food absorption have on their surface
1. Pinocytic vesicles
2. phagocytic vesicles
3. zymogen granules
4. microvilli

Fructose and some amino acids are absorbed by -
1. Active transport
2. Diffusion
3. Facilitated transport
4. Osmosis

In vertebrates lacteals are found in
1. ileum
2. ischium
3. oesophagous
4. ear

Which has highest mass?
1. $2.24 \mathrm{l} {\mathrm{SO}}_2 \mathrm{gas} \mathrm{at} \mathrm{NTP}$
2. $3.01\times {10}^{22} \mathrm{molecules} \mathrm{of} {\mathrm{CO}}_2$
3. $0.4 \mathrm{mole} {\mathrm{NO}}_2 \mathrm{gas}$
4. 5 g Fe

500 ml of a mixture of ${\mathrm{CH}}_4 \mathrm{and} {\mathrm{SO}}_2$ weighs 1 gm at NTP. Volume of ${\mathrm{CH}}_4$ in the mixture is
1. 200 ml
2. 400 ml
3. 100 ml
4. 150 ml
 

2g Zn, 3g Fe, 4g S reacts to form Zn(FeS₂)₂ . How many moles of FeS₂ are formed? (Zn = 65, Fe = 56, S = 32)
1. 0.03
2. 0.3
3. 0.003
4. 0.0003

2.75 g ${\mathrm{Na}}_2{\mathrm{CO}}_3.{\mathrm{xH}}_2\mathrm{O}$ is dissolved in water and diluted upto 250 ml 10 ml of this solution is completely neutralized with 15 ml N/20 HCl.
Value of 'x' or number of water of crystallization.
1. 1
2. 10
3. 5
4. 20

200 ml N/10 HCl is mixed with 150 ml N/5 NaOH and the resulting solution is made upto 1 litre. Normality of resulting solution is
1. 0.01
2. 0.1
3. 0.001
4. 1 

A particle at rest start moving with a constant acceleration of $4 \mathrm{m}/{\mathrm{s}}^2$. Its displacement in 5th half second is
1. 4.0m
2. 4.5m
3. 5.0m
4. 3.5m

A car is moving with velocity of 30 m/s and on applying brakes, a retardation of $5 \mathrm{m}/{\mathrm{s}}^2$ can be achieved with the reaction time of driver being 0.2 s. Minimum distance of any object from the car so that it can be easily stopped is
1. 75m
2. 45m
3. 90m
4. None of the above

If position 'x' of a particle moving along x axis is related to time instant t as $\mathrm{t}=\propto {\mathrm{x}}^2+\mathrm{\beta x},$ then acceleration of the particle 'a' as a function of its instantaneous velocity 'v' is ($\propto \& \beta$ are constants)
1. $\mathrm{a}=2\propto {\mathrm{v}}^3$
2. $\mathrm{a}=2\propto {\mathrm{v}}^2$
3. $\mathrm{a}=-2\propto {\mathrm{v}}^3$
4. $\mathrm{a}=-2\propto {\mathrm{v}}^2$

A car moving with a certain velocity is stopped by applying brakes and it comes to rest by covering a displacement 's'. If ${\mathrm{T}}_1$ is time of first half of displacement and ${\mathrm{T}}_2$ is time of second  half of displacement, then ratio of ${\mathrm{T}}_{1 }\& {\mathrm{T}}_2$ is
1. $\sqrt{2}$
2. $\sqrt{2}+1$
3. 1
4. $\sqrt{2}-1$

A particle is moving along a straight line with velocity 21 m/s. At t=0, it experiences an acceleration a=-3 $\mathrm{m}/{\mathrm{s}}^2$. Its average velocity and average speed from t=0 to t=10 seconds is respectively
1. 6 m/s, 8.7 m/s
2. 6 m/s, 4 m/s
3. 4 m/s, 6 m/s
4. 8.7 m/s, 6 m/s