Given below are statements about importance of minerals made by four students :
Which of the students have made incorrect statements?
(a) Ali and Swati
(b) Ali and Lily
(c) Ali, Lily and Swati
(d) Mohan and Swati
Is the correct answer really C?I searched them all up and they all are correct.I am really confused. HELP!
Match column I with column II and select the correct option from the codes given below.
Column I                Column II
(a) Earthworm        (i) Pulmonary
(b) Human              (ii) Branchial
(c) Prawn                (iii) Tracheal
(d) Insects              (iv) Cutaneous
(A) (a) - (i), (b) - (ii), (c) - (iii), (d) - (iv)
(B) (a) - (iv), (b) - (i), (c) - (ii), (d) - (iii)
(C) (a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)
(D) (a) - (iv), (b) - (ii), (c) - (i), (d) - (iii).
I SERIOUSLY don't understand what the function of each thing. Can anyone please explain?
The microorganisms that cause diseases are known as pathogens or germs. Microorganisms also cause diseases in animals and plants other than human beings. Select the incorrect statement from the following.
(A) Anthrax is caused by bacteria and it affects humans and cattle
(B) Rust of wheat is a fungal disease
(C) Citrus canker is a viral disease that affects citrus fruits
(D) Yellow vein mosaic is a viral disease, spread by insects and it affects vegetables.
it is completely wrong citrus canker is a disease that affects citrus fruits
Shadow moves on screen when
(i) The source moves parallel to the screen.
(ii) The object moves parallel to the screen.
(iii) The source moves away from the screen.
(iv) Colour of the source of light changes.
(A) (i) & (ii)
(B) (ii) & (iii)
(C) (iii) & (iv)
(D) (i), (ii) & (iii).
The shape of the shadow depends upon
(A) Size of the object
(B) Position of source of light
(C) Size of source of light
(D) Shape of the object
Which of the following statements is false?
(A) Shadows cannot be formed when an object allows some light to pass through it.
(B) Shadows are always formed on the opposite side of the light source.
(C) A shadow has a similar shape to the object that forms the shadow.
(D) An object can form as many shadows as there are light sources around it.
The image formed by a pinhole camera is upside-down because
(A) Light travels in straight line.
(B) Light rays become laterally inverted as they pass through a pin hole camera.
(C) Light rays pass through the pin hole.
(D) Light rays get reflected.