21.

Sella Turcica is found

• in bones

• in joints

• nearby pituitary

• nearby thyroid

Class Crustacea has following features :

• Cephalothorax, book lungs, chitinous exoskeleton

• Head and thorax, biramous appendages, book lungs

• Head and thorax, book lungs, chitinous exoskeleton

• Cephalothorax, biramous appendages, gills

In respiration from 180g of glucose which of the following is formed?

• 264gm CO₂ + 190gm H₂O + 391 Kcal

• 264gm CO₂ + 108gm H₂O + 686 Kcal

• 390gm CO₂+ 108gm H₂O + 686 Kcal

• 390gm CO₂ + 264gm H₂O + 391 Kcal

In plants, water moves from

• less negative to more negative potentia

• more negative to less negative potential

• same potentials

• none of the above

Stomata opens

• in day time - for gaseous exchange

• in day time- no gaseous exchange

• in night time only - for gaseous exchange

• in night time only - no gaseous exchange

Identify the correct statement

• In amniotes last nerve is spinal accessory

• In non- amniotes last nerve is vagus.

• Optic is shortest nerve

• Olfactory nerves has mixed fibres.

Which of the following is wrongly matched?

• Haemoglobin in mammals - RBC

• Haemozoin - Plasmodium cytoplasm

• Haemocyanin- prawn

• Haemoglobin dissolved in blood - Pheretima

Which of the following is non-pathogenic bacteria of colon?

• Escherichia coli

• Balantidium coli

• Entamoeba coli

• Enterobius vermicularis

Some Gram -ve bacteria have peptidoglycan and an extra layer of

• lipo-polysaccharide

• techoic acid

• cellulose

• both (b) and (c).

Which of the following is correct about nematocyst?

• It can be re-used.

• It is excretory organ in arthropods.

• It is ejected on contact and pierce the prey.

• None of these.