It is the correct option as all of the statements are correct.

It is the correct answer as thrombin comes under the protective category of proteins.

It is the correct answer.

It is the study of distribution of plants on Earth. Hence, it is the correct answer.

Guava belongs to the family of lyrtaceae. Hence, it is the correct answer.

It is the correct answer as all of the above are microorganisms that cause diseases.

It is the correct option as it is a characteristic of sclerenchyma. Sclerenchyma is a permanent tissue.

It is the correct answer as it will cause soft rot of apples.

It is the correct answer as r is a recessive character and Y is a dominant character. Hence, rrYY and rrYy means wrinkled yellow.

It is the correct answer as nucleotides are monomeric units of nucleic acids. Each nucletode consists of a nucleoside linked with phosphoric acid. Nucleoside is a combination of a nitrogen base and a pentose sugar.

It is an abiotic component as it is a non-living organism. Hence, it is the correct answer.

It is the correct answer as sucrose is known as canesugar. It is found in sugarcane and sugarbeet.

Vernalisation can be replaced by Gibberlins. They are acidic in nature and its application increases the sugar yield by promoting internodal growth. Hence, it is the correct answer.

It is the correct answer. It helps in nitrogen fixation in environment.

It comes under the Berry type of fruits. The edible part is Mesocarp and endocarp. Hence, it is the correct option.

It is the correct option as the entire fruit is edible in wheat.

It is the correct answer as typhus fever is caused by rickettsia prowazekii. It is transmitted to humans through external parasites such as fleas and ticks.

It is the correct option as it is the amount of oxygen required for biological oxidation required by microbes in any unit volume of water. Full form of BOD is biological oxygen demand.

A ring of bark is removed from lower branch and it is bent down, and then it is covered by soft soil. After some months, roots develop and the branch is cut off, so that it can grow independently. It is done in case of grapes, lemon and strawberry. Hence, it is the correct option.

It is the correct option as all are breeds of Indian buffaloes.

It grows in milk and converts it into curd. Lactic acid bacteria produce acids that coagulate and partially digest the milk proteins. Hence, it is the correct answer.

It is the correct option, it forms the outer layer of skin and nervous system.

It is the correct option as vasopressin is also known as Antidiuretic hormone (ADH). It stimulates water reabsorption in the kidneys.

It is the correct answer as watermelon is a zayad crop. In this group, plants can tolerate sunshine and wind.

It is present in animal cells and hence, is the correct answer.

Platelets, also known as thrombocytes, are involved in blood clotting. They adhere to the damaged blood vessels and thromboplastin is liberated from an injured tissue. Hence, it is the correct answer.

It is located at Pusa road, New Delhi. Hence, it is the correct answer.

It is the smallest bone found in our body and is present in the ear.