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Germination is the process of formation of a seedling developed from the ___.

Abhi observed the following cell parts of two different cells under a microscope. He recorded his observation in the table given.
$\begin{array}{ccc}\text{Parts of cell}& Cell{}^{\prime }{X}^{\prime }& Cell{}^{\prime }{Y}^{\prime }\\ \text{Cell wall}& \text{Present}& \text{Absent}\\ \text{Cytoplasm}& \text{Present}& \text{Present}\\ \text{Nucleus}& \text{Present}& \text{Present}\\ \text{Cell Membrane}& \text{Present}& \text{Present}\\ \text{Chloroplast}& \text{Absent}& \text{Absent}\end{array}$

Identify 'X' and 'Y'

A vaccine meant for protection against tuberculosis:

According to Whittaker's classification, Prokaryotes are placed in kingdom:

The scapula is attached to the upper arm through ___ .

Which of the following protective tissue is absent in young stem of a plant?

Practice of culturing marine fish is known as:

Name the body part which helps in attaching the bryophytes to the substratum.

Is the cell membrane semi permeable or selectively permeable? Name the three ways selective permeability takes place. [2 MARKS]

Name the type of chloroplast which store proteins

Write down four general characters of cnidarians (coelenterates). Give two examples.

Define eutrophication. What is ill effect of eutrophication?

Dry raisins are left for sometime inn pure water and later transfered to sugar solution.

Transpiration facilitates_____and____in plants.

Statement 1: The surface area of the skin that covers the entire body is less than the surface area of both the lungs.

Statement 2: The surface area of both the lungs together constitutes 70 square meters.

‘I
offered to take her in here for a day or two, but she seemed to think
it might distress you.”

The
Bishop wanted to take Mere Grngoire in because _________.

(i)
she was sick

(ii)
she had no money

(iii)
she was unable to pay the rent of her house

(iv)
she was a close friend of Persome

Which of the following is a connecting link between mammals and reptiles?

Which of the following is a form of nitrogen that can be directly absorbed by plants?

Question 2

State any two conditions essential for being free of disease.

Which of the following is not industrial waste?

With respect to the following statements, choose the correct option.



(i) Winnowing is a time consuming process for separating grain from chaff.

(ii) Fodder cannot be recovered by the process of winnowing.

(iii) Threshing is loosening of grain from chaff.

(iv) Traditional methods does not involve threshing.

____i___is the study of cells and____ii____ is the study of diseases?

Which of the following alternatives completes the given statements?

Morphology is the branch which studies