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Identify labelled structures in the diagram of chloroplast ____.

Identify the incorrect statement(s) regarding hormones from non-endocrine glands:

I. An unorganized system which works on a negative feedback mechanism.

II. Includes major parts or organs like heart, kidney, epithelial tissues, etc.

III. Most of them are very much related to digestion or excretion.

IV. All the hormones of the system are steroids and their derivatives.

Number of calvin cycles required to generate a molecule of hexose is

A compound of similar sugars, linked with glycosidic bonds, is __(i)__ and a compound of 2 or more different sugars, is __(ii)__.

Corrosion of marble monuments and granite statues takes place due to

Which one is the correct difference between rod and cone cell?

Physical removal of large and small particles from the sewage through filtration and sedimentation is called:

Ribs are attached to

Which of the following corrborales the fact the genetic code is degenerate?

Secondary growth is initiated by ______

Read the following statements regarding the small intestine and identify the correct and incorrect statement(s).

A. It has integral parts like Jejunum, Ileum, and Duodenum, in this order.

B. The major part of digestion and absorption is carried out by the small intestine.

Half-life period of $C^{14}$ is :

In India, we find mangoes with different flavours, colours, fibre content, sugar content and even shelf life. Such large variation is on account of

_________ is important in osmosis and ionic balance.

The technique used to find out if a dominant phenotype is homozygous or heterozygous is called:

The fusion product of polar nuclei and male gamete is:

Calcium is an essential plant nutrient because it is a component of

Which one of the following is oviparous?

Cows and buffaloes remain in heat for_______

What kind of thickening is seen in protoxylem?

Breastfeeding lowers the chances of breast cancer because

Identify the incorrect set of the following.

One set of plants exposed to 12 hr day and 12 hr night flowered. The other set with similar exposure to day– night period but with dark period interrupted by flash of light did not come to flower. The plant is

External protective tissue of plants are:

Identify the following parts of a Mitochondria labelled as numerals.

Plasmids present in bacterial cells are:

Maize grain is

Described below are the three steps in the process of how eutrophication leads to total destruction of aquatic life. Choose the option which has the correct sequence of these steps.



i) Algae dies, producing a large quantity of organic matter.

ii) Bacteria begin degrading organic matter, leading to a decrease in dissolved oxygen.

iii) Increase in nutrient concentrations causes a sudden growth spurt in algae.

Enzymes with cofactors are called __(i)__. Based on the structure and function, the cofactors are grouped as__(ii)__, __(iii)__ and __(iv)__.

During spermatogenesis which of the following is the first cell to become haploid?

The bilayer has a ________ layer sandwiched between it

Severe Acute Respiratory Syndrome (SARS) is caused by a variant of -

What is the correct sequence of the formation of female gametophyte in angiosperms?

Identify the glands in the image.

The hormone(s) that control(s) the menstrual cycle in human beings is

Choose the sugars arranged in the ascending order of the number of carbon atoms they possess.

Follicular phase of menstrual cycle is the other name of

Which of the following pairs is mismatched?