Consider the following statements. Select the option which correctly identifies true (T) and false (F) ones.
(i) The valve between left and right atrium allow the blood to flow only in one direction.
(ii) The contents of phloem can move only in the upward direction whereas water in xylem moves both in the upward and downward directions.
(iii) A healthy adult man excretes an average of 1.5 litres of urine everyday.
(iv) Red blood cells are the biconcave, disc shaped structures filled with haemoglobin.
The correct answer will be A
The faces of a cuboidal log are painted with 6 colours : green, blue, yellow, violet, red and orange. Positions I, II and III are shown here. Find which colour will be on the face with question mark in position III?
answer should be green i,e green
Study the given flow chart. Which out of d, e, f, g or h best represents caravan and igloo respectively?
oh this is easy!!!!!!!!!!!!!!!!!! correct option is b!
Read the following statements.
(A) The plant fibres are made up of which is a structural material in the plant world.
(B) The process of taking out threads from the cocoon to use as silk is called as .
(C) The sheared hair of sheep is moved through tubes filled with soapy water to remove dust, dirt and grease. This is known as
(D) Mohair, spun from the fleece of the Angora is extremely light weight.
Select the option which correctly fills the blanks in any two of the above statements.
A (A) - Protein, (C) - Removal of burr
B (B) - Rearing, (C) - Scouring
C (A) - Cellulose, (D) - Goat
D (B) - Reeling, (D) - Rabbit
The correct option is (c)