Question

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Answer 1

Answer:

Explanation:Q.)ATP= ADENOSINE TRI PHOSPHATE, ADENOSINE DI PHOSPHATE, DNA= DEOXYRIBO NUCLEIC ACID, RNA= RIBO NEUCLEIC ACID

Q.) BLOOD IS RED DUE TO THE PRESENCE OF HAEMOGLOBIN. BLOOD CONSISTS OF RBC , WBC AND PLATELETS

Q.) GREEN REVOLUTION BROUGHT ABOUT CHANGES IN AGRICULTURAL INDUSTRY LIKE USE OF HYV SEEDS . WHITE REVOLUTION CHANGED THE DAIRY INDUSTRY

Answer 2

i)In the nucleoplasm there are certain threadlike structures called chromatin fibres. During cell division these chromatin fibres become thick and ribbon-like these fibres are then called chromosomes. It carries genetic characters from parents to the offspring through the union of the egg of the female and the sperm of the male

ii)Two types of plastids are:

• Leucoplasts:They store starch and they are colourless plastids
• Chloroplasts:These are green coloured plastids.They have green coloured pigment called chlorophyll.Their function is to trap solar energy and absorb Carbon dioxide for the manufacture of starch and sugar during photosynthesis. Cloroplasts contains DNA and have the capacity to divide

iii)Lysosome is rich in hydrolase enzyme. You want the function of

iv) ATP: Adenosine Triphosphate

ADP: Adenosine Diphosphate

DNA: Deoxyribonucleic Acid

RNA: Ribonucleic Acid

v) Blood is red in colour due to the hemes of haemoglobin present in blood cells. Constituents of blood are Plasma, Platelets, Red cells,White blood cells