Question 1 :
State true/false : The transport of soluble products of photosynthesis occurs in the part of the vascular tissue known as xylem.
Question 2 :
The translocation of food and other substances takes place in the ____________ tubes with the help of adjacent companion cells both in upward and downward directions.
Question 3 :
The __________is the nearest and richest source of raw materials like nitrogen, phosphorus and other minerals
Question 4 :
In plants the water moves to the ___________ points of the plant body.
Question 5 :
Write the organs of excretory system involves in excretion in human beings
Question 6 :
Each capillary cluster in the kidney is associated with the cup-shaped end of a coiled tube called _____________ that collects the filtrate.
Question 7 :
Each kidney has large numbers of these filtration units called _____________ packed close together.
Question 15 :
The kidneys in human beings are a part of the system for ____
Question 17 :
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in __________
Question 20 :
________________ are bio-catalysts used for breaking down the complex substances ito simpler ones
Question 21 :
________________ use simple food material like carbon dioxide and water to gain energy
Question 23 :
What advantage over an aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Question 25 :
What are the different ways in which glucose is oxidised to provide energy in various organisms?
Question 26 :
What are the components of the transportation system in human beings?
Question 27 :
Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
Question 29 :
Which of these outside raw materials are used by an organism to gain energy?
Question 30 :
Where do plants get each of the raw materials required for photosynthesis?
Question 32 :
Why is diffusion insufficient to meet the oxygen requirements of multicellular organisms like humans?
Question 33 :
What advantage over aquatic organism does a terrestrial organism have with regard to obtaining oxygen for respiration?
Question 34 :
What are the components of the transport system in highly organised plants?
Question 35 :
What are the outside raw materials used for by an organisms?
Question 40 :
Where do plants get each of the raw materials required for photosynthesis?
Question 41 :
The kidneys in human beings are a part of the system for
Question 42 :
Why is it necessary to seperate oxygenated and deoxygenated blood in mammals and birds?
Question 44 :
What criteria do we use to decide whether something is alive ?
Question 47 :
The breakdown of pyruvate to give carbon dioxide, water and energy takes place in ______.
Question 48 :
What is the role of saliva in the digestion of food?
Question 49 :
Anaemia is the consequence of a deficiency of haemoglobin in our body. State TRUE or FALSE?
