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Recent questions tagged aipmt

In which of the following process the light energy is converted into chemical energy

asked Apr 8, 2014 by sreemathi.v

1 answer

Our present day view regarding photosynthesis is that it

asked Apr 8, 2014 by sreemathi.v

1 answer

During photosynthesis,$O_2$ is liberated by oxidation of

asked Apr 8, 2014 by sreemathi.v

1 answer

The emperical formula for chlorophyll is

asked Apr 8, 2014 by sreemathi.v

1 answer

The first product of $CO_2$-fixation in $C_3$ plants is

asked Apr 8, 2014 by sreemathi.v

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The first food substance plants make in photosynthesis is

asked Apr 8, 2014 by sreemathi.v

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In photosynthesis

asked Apr 8, 2014 by sreemathi.v

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The oxygen in photosynthesis is released from

asked Apr 8, 2014 by sreemathi.v

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Emerson effect indicates the existence of

asked Apr 7, 2014 by sreemathi.v

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Red drop occurs in wave length of

asked Apr 7, 2014 by sreemathi.v

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Red drop is

asked Apr 7, 2014 by sreemathi.v

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The number of light quanta required for evolution of one molecule of oxygen is called

asked Apr 7, 2014 by sreemathi.v

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How much energy is utilised in the synthesis of one molecule of glucose

asked Apr 7, 2014 by sreemathi.v

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Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:Photosynthesis is regarded as an oxidation reduction process.}\\\text{Reason:The transport involves step by step transport of electrons in non-cyclic and cyclic electron transport wherein oxidation of one substance coupled with reduction of another substance takes place.}\end{array}$

asked Apr 7, 2014 by sreemathi.v

1 answer

Dark reaction in photosynthesies is called because

asked Apr 7, 2014 by sreemathi.v

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The maximum evolution of oxygen is by

asked Apr 7, 2014 by sreemathi.v

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The process of photophorylation was discover by

asked Apr 7, 2014 by sreemathi.v

1 answer

Regarding the figure : 1. It shows asexual reproduction in sponge 2. Reproductive structures are gemmules. 3. The most common of asexual reproductive structures (in living world) is zoospores which are usually microscopic and non-motile.

asked Apr 4, 2014 by pady_1

1 answer

Choose the odd one out : (on the basis of oestrous and menstrual cycle)

asked Apr 4, 2014 by pady_1

1 answer

Parthenogenesis occurs in all except :

asked Apr 4, 2014 by pady_1

1 answer

Regarding asexual reproductive structures : Match the following & choose the most appropriate option:

asked Apr 4, 2014 by pady_1

1 answer

Asexual reproduction : 1. Cell division is itself a mode of reproduction in Protists and Monerans. 2. Many single-celled organisms reproduce by binary fission, where a cell divides into two halves and each rapidly grows into an adult (e.g., Amoeba, Paramecium). 3. In yeast, the division is unequal and small buds are produced that remain attached initially to the parent cell which, eventually gets separated and mature into new yeast organisms. Regarding 1, 2 and 3 :

asked Apr 4, 2014 by pady_1

1 answer

The gynoecium may consist of a single pistil or may have more than one pistil . When there are more than one, the pistils may be fused together or may be free ___ . Identify A and B:

asked Apr 4, 2014 by pady_1

1 answer

Choose the odd one out : (on the basis of number of ovules)

asked Apr 4, 2014 by pady_1

1 answer

Choose the appropriate option and fill in the blank : A typical angiosperm embryo sac, at maturity, is _________________________ .

asked Apr 4, 2014 by pady_1

1 answer

Artificial hybridisation : 1. Removal of anthers from the flower bud before the anthers dehisces using a pair of forceps is emasculation. 2. Emasculated flowers are covered with a bag of suitable size, generally made up of butter paper; and the process is called bagging.

asked Apr 4, 2014 by pady_1

1 answer

Apomixis is

asked Apr 4, 2014 by pady_1

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Regarding Types of pollination : Match the following and choose the most appropriate option: (each option on 3 columns can be matched to multiple options on the another 2 columns) eg. A-(iv)-3,5; B-(i); C-(iii)-2; D-(ii),(vi),(vii)-1; (iii),(v)-6;

asked Apr 4, 2014 by pady_1

1 answer

Fruits: 1. There are a few species in which fruits develop without fertilisation. 2. Fruits developing without fertilisation are called parthenocarpic fruits. 3. Parthenocarpy can be induced through application of growth hormones 4. Parthenocarpic fruits are usually seeded. Regarding 1, 2, 3 and 4 :

asked Apr 4, 2014 by pady_1

1 answer

The second maturation division of the mammalian ovum occurs

asked Apr 4, 2014 by pady_1

1 answer

The testes in humans are situated outside the abdominal cavity inside a pouch called *******. The purpose served is for

asked Apr 4, 2014 by pady_1

1 answer

Which of the following is a mode of reproduction in animals in which embryos develop inside eggs that are retained within the mother's body until they are ready to hatch?

asked Apr 4, 2014 by pady_1

1 answer

Bartholin glands or greater vestibular glands in adult females is homologous to what in adult males?

asked Apr 4, 2014 by pady_1

1 answer

The primitive gut that forms during which stage in the developing embryo is known as the archenteron?

asked Apr 4, 2014 by pady_1

1 answer

Where in the human body are the Sertoli cells located?

asked Apr 4, 2014 by pady_1

1 answer

Which one of the following statements about human sperm is correct?

asked Apr 4, 2014 by pady_1

1 answer

Where are the Bartholin's glands situated ?

asked Apr 4, 2014 by pady_1

1 answer

Which of the following hormones is not a secretion product of human placenta ?

asked Apr 4, 2014 by pady_1

1 answer

Ovulation in the human female normally takes place midway during the menstrual cycle in which of the following phases?

asked Apr 4, 2014 by pady_1

1 answer

Which enzyme is most abundantly found on earth

asked Apr 4, 2014 by sreemathi.v

1 answer

Kranz anatomy is one of the characteristics of leaves of

asked Apr 4, 2014 by sreemathi.v

1 answer

Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:Lysosomes help in the process of photorespiration .}\\\text{Reason:Lysosomes have basic enzymes.}\end{array}$

asked Apr 4, 2014 by sreemathi.v

1 answer

Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:All submerged plants get }CO_2\text{ in the form of carbonates and biocarbonates}\\\text{Reason:Stomata are not present in submerged plants.}\end{array}$

asked Apr 4, 2014 by sreemathi.v

1 answer

Water releases protons.Twelve water molecules will release

asked Apr 4, 2014 by sreemathi.v

1 answer

Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:Photorespiration interferes with the successful functioning of Calvin cycle.}\\\text{Reason:photorespiration oxidises the pentose phosphate which is an acceptor of co2 in Calvin cycle.}\end{array}$

asked Apr 4, 2014 by sreemathi.v

1 answer

Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:}C_4\text{ plants photosynthesize more efficiently than }C_3\text{ plants.}\\\text{Reason:}C_4\text{ plants have a shorter }CO_2\text{ cycle.}\end{array}$

asked Apr 4, 2014 by sreemathi.v

1 answer

Given the Assertion and Reason below, Choose one of the following responses $\begin{array}{1 1}\text{Assertion:The energy capturing part of photosynthesis occurs in thylakoid membranes and cannot proceed without solar energy.}\\\text{Reason:The synthesis part of photosynthesis occurs in the stroma and does not require light energy.}\end{array}$

asked Apr 4, 2014 by sreemathi.v

1 answer

Wings of cockroach arise from

asked Apr 4, 2014 by pady_1

1 answer

Male cockroach can be identified from the female by the presence of

asked Apr 4, 2014 by pady_1

1 answer

Mast cells secrete

asked Apr 4, 2014 by pady_1

1 answer

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