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Which of the following is/are the parts of the excretory system of a human being?

Pradhan Mantri Khanij Kshetra Kalyan Yojana deals with

__ (Meristematic / Permanent) tissue are made up of cells which have lost their ability to multiply.

Which among the following pigments is essential for the sustenance of almost all life on earth?

The back part of the cranium contains a large hole called___magnum, through which the spinal cord after emerging from the brain continues behind the backbone.

Question 6
Which among the following defines osmosis the best?

(a) Movement of water molecules from a region of higher concentration to a region of lower solute concentration through a semipermeable membrane
(b) Movement of solvent molecules from its higher concentration to a lower concentration
(c) Movement of solvent molecules from a higher concentration to a lower concentration of solution through a permeable membrane
(d) Movement of solute molecules from a lower concentration to a higher concentration of a solution through a semipermeable membrane

Enlist the main causes of soil erosion. [2 MARKS]

Assertion [A]: Human beings follow heterotrophic mode of Nutrition.

Reason [R]: Human beings follow holozoic mode of Nutrition.

Define the biogeothemicals?

Mycorrhiza is a ________ .

Oral vaccine prevents from the attack of

The mechanism that causes a gene to move from one linkage group to another is

With the knowledge of gene, the process of __ helps in improving crop variety.

What is lichen?

Mention four steps involved in artificial insemination.

What are biogeochemical cycles ?

Regarding Assertion[A] and Reason[R].Choose the correct option.

Assertion [A]: Locomotion is the movement of an individual from one place to place.

Reason [R]: All Locomotions are movements but all movements are not locomotion.

Which one of the following organism types helps in cleaning the environment?

Which vitamin is richly found in cod liver oil?

What is the basic principle for immunization?

Identify the parts marked "1" and "2" in the figure below. Also, mention the reason for the folds seen in the structure. [3 MARKS]

Unique feature of mammals is

List out key features of phylum Chordata. [2 MARKS]

The given diagram represents :

What are the functions of the vacuoles in the case of Amoeba?

Regarding assertion and reason, select the right option.

Assertion(A): Plants pollinated by abiotic agents produce enormous amount of pollen when compared to plants pollinated by biotic agents.

Reason(R): Pollen grains coming in contact with stigma is a chance factor in anemophily and hydrophily.

What is chemical characteristics of fungai cell wall.

Fluid mosaic modle

lysosome is _____________ system of the cell.

Why is osmosis is a special type of diffusion??

Identify the following parts of the labelled diagram :

Question 11
Find out the false statement

(a) Aves are warm blooded, egg laying and have a four- chambered heart
(b) Aves have feather covered body, fore limbs are modified as wings and they breathe through lungs.
(c) Most of the mammals are viviparous.
(d) Fishes, amphibians and reptiles are oviparous

Identifying features of a dicot angiosperm is:

Which statement is true from the following?

Which term is used to refer to the process of removing anther without affecting the female reproductive part?

Question 3
On what basis are plants and animals put into different categories?

Systematics refers to the study of

The heart’s natural pacemaker is present in the

Draw a flow chart showing the major divisions in Kingdom Plantae? Also, mention the criteria for classification. [5 MARKS]

Question 4
Which of the following disease is caused by bacteria?

(a) Typhoid
(b) Anthrax
(c) Tuberculosis
(d) Malaria

Why a person suffering from AIDS cannot fight even very small infections?