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The maximum kinetic energy of photoelectrons emitted from a surface when photons of energy 6 eV fall on it is 4 eV. The stopping potential in volts is

The star-like cytoplasmic body adjacent to the nucleus is called ___.

What is false fruit? Give one example.

Main pipeline, perpendicular pipes, rotating nozzles and pump are part of which system of irrigation?

Which are the hormones produced by ovaries of a female?

What is a bundle of axons known as?

Arrange the organisms in ascending order based on the number of offsprings produced after asexual reproduction?

1) Euglena 2) Plasmodium 3) Hydra 4) Chlamydomonas

Edward and Newton were happy that the know so much about the humus and its importance. Newton now said that I have seen that soils in different places have different color or texture. Edward told Newton that there are different types of soil that are found on earth. Newton then asked that what are the different types of soil?

Edward then made a list of the types of soil in a column on the basis of proportion of particles of various sizes and in another column, he mentioned the characteristics of different types of soil. The columns are as follows:

But he was unable to decide the exact characteristic of each type of soil and match the two columns.

What according to you is the correct match for the above columns.

Which statement(s) among the following is not correct regarding prokaryotes?

i. They lack a well-defined nucleus
ii. Amoeba is a single-celled prokaryotic organism
iii. DNA is generally circular
iv. They are unicellular organisms

Adolescence in humans is triggered by release of hormones from the pituitary gland. Where is this gland located in the brain?

What is the answer to deforestation?

Which of the following is an example of ‘P’ in the given flowchart?

What are the functional segments of chromosomes?

In _________________ the facial bones, bones of hand and feet grow

Choose the correct statement

A tissue 'X' is composed of very elongated cells with fibrous extensions. It is found to control and coordinate physiological functions. Identify the tissue.

What does food security ensure?

Which type of soil has the highest water holding capacity?

Newton's answer: Clayey Soil

Edward's answer: Loamy Soil

Which of the following is a correct option regarding the answer given by Newton and Edward?

Heart is a muscular organ made of __________ muscles

What is goitre ? What causes goitre ?

Name the various agricultural practices in the right sequence in which they are undertaken by the farmers.

Which of the two does not have a true nucleus: prokaryotic cell or eukaryotic cell?

The larvae growing in the young shoots of bamboo are quite a delicaciy for certain tribes of _____________

Which case will lead to minimum soil erosion?

Which of the following factors discourage the growth of microorganisms in the soil?

The adrenal gland is found above

What are the aims of the 'Forest Conservation Act' in India ?

Thyroid gland is located in the

Name two fruits which are preserved :

(a) in the form of pickles .

(b) in the form of jams.

What is the general age of attaining puberty in females?

The viral disease – Ranikhet is associated with:

In the scientific name Homo sapiens, Homo represents the _______ name.

What will happen if the water in which tadpoles are growing does not contain sufficient iodine?

Raise a kitchen garden at your home. You are provided with a khurpi,
water can, spade and shovel. List the other materials you would require to
raise the garden. How will you plan the garden? Write the steps.

Groups of cells working together to perform a specific function in organisms are called ___ .

Which of the following is a variety of rabbit reared for fur?

Question 04(v)
Indicate whether the following statements are True (T) or False (F).
Egg laid after fertilization is made up of a single cell. ( )

Select the advantages of a forest.

Red data books are produced by

Which of the following is true for parasitism?

Lead emitted by vehicles interferes with development of:

Common symptoms of drug addiction are:

Match the following correctly

Dead cells of cork contain a chemical in their wall that makes them impervious to gases and water. The chemical is:

Making anti-viral drugs is more difficult than making anti-bacterial medicines because ___ .