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Give some dialy examples of osmosis?

Question 49
Why is step farming common in hills?

Q29. In a certain coding system, RBM STD BRO PUS means 'the cat is beautiful' TNH PUS DIM STD means 'the dog is brown: PUS DIM BRO PUS CUS means 'the dog has the cat’. What is the code for 'has'?

What is the function of neural canal and neural arch in thoracic veretebra

Label the following parts of the lungs.

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'

Name the part of the cell concerned with the following

hydrolytic in function

write the functions of rough ER. (3 marks )

A plant that reproduces from its leaves is:

write the difference between cardate and non cardate

It is said that 90% of the cells in our body are bacteria.How are all the life processes carried out by these prokaryotic cells ?

Give impotance of the following:

1. Mariculture.

2. Aquaculture.

3. Composite fish farming.

Explain membrane biogenesis

Which of the following phyla is further divided into four classes?

Which of these is known as the the process of land degradation by which a region becomes drier?

Exchange of gases between the blood and the tissues of the body takes place by which of the following mechanisms?

Nematocysts are found in __________.

Which of the following is correctly represented?

rRNA is synthesized in___

The cervical and the lumbar vertebrae form an outward curve, which is called (i)_______, while the thoracic and sacral vertebrae form an inward curve called (ii)_______.

Question 5
What are the immunisation programs available at the nearest health centre in your locality? Which of these diseases are the major health problems in your area?

Atrio-ventricular septum is made of _______________ tissue:

Which is not true of sclereids?

Pinworms are found in the ______ of humans.

Cultivation practices and crop yield are directly related to:

Fill in the blanks by choosing the correct alternative from those given in brackets.

(a) When placed in a more concentrated solution, the cell contents will ............................. (shrink/ swell up)

(b) The pressure by which the ............................. molecules tend to cross the semi-permeable membrane is called osmotic pressure.(salt / water)

(c) Active transport is in a direction ............................. to that of diffusion. (opposite / same)

HIV mainly effects

Match the following blood components with their function(s)

$\begin{array}{cc}ColumnI& ColumnII\\ 1.\text{RBC}& a.\text{Transport of energy and electrolytes}\\ 2.\text{WBC}& b.\text{Blood clotting}\\ 3.\text{Platelets}& c.\text{Immunity and Defense}\\ 4.\text{Plasma}& d.\text{Transport of respiratory gases}\end{array}$

why do jelly fish float in water, fall mendrously slow but shark can sphere head in water ?

Define the following : tendon, ligament and cartilage.

Plants which provide nectar and pollens to the honey bee are collectively called:

Which invertebrate phylum possess following features?

Bilateral symmetry, triploblastic, metamerism, open vascular system

________ is the transfer of pollen grains from the anther to the stigma of a flower.

A normal ECG has the readings as ;

Question 20
_________ is the Kitchen of the cell.

(a) Mitochondria
(b) Endoplasmic reticulum
(c) Chloroplast
(d) Golgi apparatus

What is plasma membrane

In which of the following vertebrate group/groups, heart does not pump oxygenated blood to different parts of the body?
(a) pisces and amphibians
(b) amphibians and reptiles
(c) amphibians only
(d) pisces only

Which bone or bones does not/do not belong to the axial skeleton?

Explain istonic solution with example