Home
Class 12
BIOLOGY
Read the following statements and select...

Read the following statements and select the correct option.
Statement 1 : The human small intestine is the longest portion in the alimentary canal.
Statement 2: Absorption of digested food requires a very large surface area.

A

Statement a is correct ,b is wrong

B

Statement a as well as statement b are correct

C

Statement b is correct a is wrong

D

Both statement are wrong

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

Read the given statements and selct the correct option. Statement 1: Photorespiration interferes with the successful functioning of Calvin cycle. Statement 2: Photorespiration oxidises ribulose-1,5 biphosphate which is an acceptor of CO_(2) in Calvin cycle.

Read the following statements and select the correct option Statement 1: Euglena can be considered as a plant due to the presence of chlorophyll. Statement 2: Euglena cannot be classified on the basis of two kingdom system of classification.

Read the following statements and choose the correct option Statement 1 : Atria receive blood from all parts of the body which subsequenctly flows to ventricles Statement 2 : Action potential generated at sino-atrial node passes from atria to ventricles.

Read the given statement and select the correct option. Statement 1: Global water cycle does not involver the living organisms. Statement 2 : In global water cycle. Water circulates between hydrosphere and atmosphere.

Read the following statements and select the correct option Statement 1 : When the urine moves through the descending limb, it becomes hypertonic to blood plasma and as it passes through the ascending limb of Henl's loop it becomes hypotonic to blood plasma Statement 2 : The decending limb is permeable to sodium ions, while the ascending limb is impermeable to sodium ions

Read the following statements amd select the correct option .A . increase in the melanised moths after industrialisation in Great Britain is proof of natural selection. B. When more individuals of a population acquire a mean character value ,it is called disrupation . C . Changes in allelic frequencey in a population will lead to Harry -Weingberg equilibrium. D. Genetic drift changes the existing gene allelic frequency in future generations.

Read the following statements and choose the correct option A. Increase in melanized moths after industrialization in Great Britain is a proof for natrual selection B. When more individuals of a population acquire a mean character value, it is called disruption C. Changes in allelic frequency in a population will lead to Hardly Weinberg equilibrium D. Genetic drift changes the existing gene ot allelic frequency in future generations

Read the following statement and select the correct one 1. oxyhaemoglobin of erythrocytes is alkaline 2. in a healthy person the haemoglobin content is more than 25 g per 100 ml 3. in lungs the oxygen form the alveolus reaches the blood though active transport 4. the h^(+) released from carbonic acid combines with haemoglobin to form haemoglobinic acid

Read the following statements and select the correct option (i) Blood cells secrete fibres of structural proteins called collagen and elastin (ii) Neuroglial cells protect and support the nephrons (iii) Osteocytes are present in spaces called lacunae (iv) Striated muscle fibres are bundled together in a parallel fashion (v) Biceps are involuntary and striated.

Read the following statements and identify the correct options given A. Sap vacuoles-contain digestive enzymes with the help of which nutrients are digested B. Contractile vacuoles - take part in osmoregulations and excretion C. Food vacuoles - store and concentrate mineral salts as well as nutrients D. Air vacuoles - store metabolic gases and help in buoyancy of cells