Biology

What is an allergen?

• It is an allergy

• It is a substance that cause allergy

• Both a and b

• None

can live in water as well as on land

The Pores present in leaves

• Stoma

• Stoma open

• Stomata

• Stoma close

Define excretion

Transport of deoxygenated blood towards kidney

• Renal artery

• Renal Vein

• Renal pelvis

• Capillaries

Match the following :

1chloroplast, 2 seasonal allergy, 3 Starfish

• 1Machinery, 2nuts, 3mollusca

• 1Raw materials, 2Pollen ,3Annelida

• 1Power, 2dust,3 reptilia

• 1Work room, 2pollen, 3Echinodermata

The class of organisms that lay hard shelled legs

• Reptilia

• Mammalia

• Aves

• Pisces

Answer explanation

In the class aves, female lay hard shelled eggs

Draw a diagram of human excretory system and label the parts

Medulla oblongata controls

• Spelling

• Beating of heart and respiratory moment

• Intelligence and will power

• Balancing of the body

Filtration of excretory waste from the body occurs in

• Collecting schedule

• Ureter

• Nephrons

• Urinary bladder