MHT CET (PCB) 2024 22th April Morning Shift

Given below are two statements.
Statement I - Root hair is composed of two layers.
Statement II - Outer layer of root hair cell wall is composed of cellulose and inner layer is made up of pectin.
In light of above statements, choose the mos...

Complete the following analogy with respect to classification of mammals.
\(\text { Marsupials : (i) :: monotremes : (ii) }\)

Identify the INCORRECT statement.

Damage to biodiversity takes place due to natural reasons which includes the following EXCEPT

Match the scientist in column I with their contribution in column II and choose the correct option.

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Secondary metabolites like glucosinolates are produced by cabbage to

The number of amino groups in the amino acids present in amides is __________

Enzymes are needed only in small quantities to catalyse reactions because

Match column I with column II and select the correct option


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In large proteins, peptide chains are much looped, twisted and folded back on themselves. The folded structure is due to the formation of________bonds

Given below are two statements.
Statement I - Oxaloacetate is useful as a precursor for synthesis of aspartic acid.
Statement II - $\alpha$-ketoglutarate is useful for synthesis of glutamic acid.
In light of above statements, select the cor...

The _______ gene from Bacillus thuringiensis produces a protein that forms crystalline inclusions in bacterial spores.

When the phage DNA enters the host bacterium, the host cell protects itself from the viral DNA attacks with the help of _________ enzyme.

Agarose gel electrophoresis is used to separate DNA fragments. The DNA fragments separate due to __________ .

The restriction enzymes used as molecular scissors are type of ____________

Match the valves of human heart in column I with the respective opening they guard in column II and select the correct option.
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Which one of the following cells secrete heparin, histamine and serotonin?

Blood plasma transports oxygen in dissolved state, percentage of which is ________ .

Mature erythrocytes are enucleated in following animals EXCEPT
i. Rat
ii. Monkey
iii. Llama
iv. Camel
v. Elephant Choose the correct answer from options given below.

Respiratory centres that control the rate and depth of breathing are located in __________

Select INCORRECT statements with respects transport of $\mathrm{CO}_2$ by RBCs and plasma.
i. $23 \%$ of $\mathrm{CO}_2$ released from tissue cells diffuse into plasma first and then into RBCs.
ii. Within RBCs carbonic acid immediately diss...

Haemoglobin has maximum affinity for

In eukaryotic organisms, replication of DNA occurs in _________

Which one of the following pair of hormones is NOT antagonistic?

Islets of Langerhans are _________ .

Hypersecretion of glucocorticoid leads to___________

Blood osmolarity decreases with the secretion of
i. ADH
ii. aldosterone
iii. angiotensin II
iv. ANP

Identify label ' X ' from the given diagram and name the cells, which regulate concentration of calcium and phosphorous in the blood and select the correct option given below.

Chemical digestion of which one of the following starts first in human alimentary canal?

Complete the following reaction by replacing (Y) with proper word.
\(\text { Emulsified fats } \xrightarrow{\text { Lipases }} \text { Fatty acids }+(\mathrm{Y})\)

Which of the following is INCORRECT about Primary and Secondary ecological successions?

Which of the following characteristics are seen in a stable community?

i. It is strong enough to withstand environmental disturbance and recovers quickly.
ii. It is resistant to invasive species.
iii. It exhibits constant change in biomas...

Given below are two statements.
Statement I - Biome constitute, a large regional terrestrial unit delimited by a specific climate zone having major vegetation zone and associated fauna.
Statement II - Biome is the fourth level of ecological...

Which of the following are the initial and final steps during the process of ecological succession?

Primary productivity in an ecosystem refers to the rate of generation of _________ .

Given below are two statements.
Statement I - An ecosystem is a self regulatory and self sustaining structural and functional unit of nature.
Statement II - Entire biosphere can be considered as one global ecosystem.
In light of above state...

Which one of the following is the most primitive ancestor of Homo sapiens?

DDT resistant mosquitoes and different beak sizes of African seed cracker finches show
_________ type of selection respectively.

Homo sapiens are most closely related to________

Tubular fluid tends to become acidic in the_________ of nephron.

People who consume high protein diet can develop __________ stones.

Given below are two statements.
Statement I - Defecation is an involuntary process that takes place through anal opening guarded by sphincter muscles.
Statement II - Distension, of rectum stimulates pressure sensitive receptors that initiat...

An organ with sphincters at its origin is

Angina pectoris is severe pain and heaviness in chest that is mainly caused due to

In which of the following, bilirubin is excreted in urine?

Which one of the following diseases is caused by a fungus?

With reference to adolescence, what is mhGAP?

Cells of malignant tumor spread from one organ to other via blood or lymph and cause new tumor. This property is called ___________ .

Atherosclerosis can be treated with recombinant protein called __________

In an antibody, disulphide bonds are present___________
i. between two heavy chains
ii. between two light chains
iii. between the constant region of light chain and the constant region of a heavy chain
iv. between antigen binding sites of b...