AIIMS Biology Mock Test - 10 - NEET MCQ

Which is a flightless bird ?

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Adenine cannot pair with cytosine.
Reason(R): Because there would be two hydrogen atoms one at the bonding positions and one at the other.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): All prokaryotes show the presence of only one photosystem, i.e. PS I.
Reason (R): No photolysis of water takes place in the prokaryotes lacking PS II.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Flower of racemose inflorescence are pollinated by insects.
Reason (R): In racemose head inflorescence, the floretes are arranged in a centripetal fashion.

In the following questions, a statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the statements carefully and mark the answer-
Assertion (A): Lipids present in the outer and inner side of the bilayer membrane are mostly same.
Reason (R): Oligosaccharides are attached to external surface as well as inner surface of biomembrane.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Bees often pollinate red flower.
Reason (R): Bees depend on flowers for water only.

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Dope test is used to estimate the level of blood alcohol by analysing the breath of persons drinking alcohol.
Reason(R): A drunken person usually feels tense and less talkative.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Retenone is an extremely toxic insecticide.
Resaon (R): Retenone interrupts electron transport chain in the cells of insect body.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Far-red light is used in lightbreak reaction.
Reason (R): The most effective wavelengths of light are 620 and 660 nm in including flowering.

In the following questions, a statement of Assertion (A) is given followed by a corresponding Reason (R) just below it. Read the statements carefully and mark the answer-
Assertion (A): Smooth endoplasmic reticulum is also called a granular endoplasmic reticulum.
Reason (R): SER contains ribophorins.

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): In plant tissue culture, somatic embryos can be induced from any plant cell.
Reason(R): Any viable plant cell can differentiate into somatic embryos.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Secondary roots and shoots are plagiogeotropic.
Reason (R): Plagiogeotropic roots are those which develop at an angle of 45º from the vertical axis.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Guard cells are specialised epidermal cells.
Reason (R): Stomata are found in the epidermis of leaves.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it. Read the Statement carefully and mark the correct answer.
Assertion(A): Root pockets are similar in all terms to root caps.
Reason (R): Root caps and root pockets have the ability to regenerate.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Generally the intraspecific competition is more intense than interspecific competition.
Reason (R): Intraspecific competition occurs when the resources are in short supply.

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): DNA code is not copied in the synthesis of transfer RNA.
Reason(R): Transfer RNA move out of the nucleus and after attaching on the ribosomes, form the template.

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Algae and fungi are classified as thallophytes.
Reason(R): They both are autotrophs.

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): Rhizobial aggregates have been observed at distinct sites on curled root hairs.
Reason(R): The infection thread is formed by a process of invagination of the hair cell walls in the region of curling.

In the following question, a Statement of Assertion (A) is given followed by a corresponding Reason(R) just below it.Read the Statement carefully and mark the correct answer-
Assertion(A): Plants mostly transpire through stomata.
Reason (R): Lenticular transpiration is found only in the woody branches.

In the following question, a statement of Assertion(A) is given followed by a corresponding statement of Reason(R).
Read the statements carefully, and mark the correct answer.
Assertion(A): The final reabsorption of water from urine into blood occurs through the collecting duct of a mammalian nephron, resuliting in the production of hyperosmotic urine.
Reason(R): The loop of Henle is responsible for the formation of a sodium gradient across the depth of the cortical interstitium of a mammalian kidney.

The ketonic group in monosaccharide is

The main function of capillaries is to

Oxidative phosphorylation and photophosphorylation both require the electron carriers-

Tooth structure includes:

Circular DNA molecules occur in :

Which of the following is a social foresting species with multiple utility?

Sporeine is a/an