Practice paper · Annual

First word Mangifera, Solanum and Panthera are ____________

1. AGenera
2. BSpecies
3. CSpecific epithets
4. DFamily

Nostoc and Anabaena fix atmospheric nitrogen in specialized cells called

1. AGelatinous sheath
2. BHeterocysts
3. CPellicle
4. DPectin

The giant Redwood tree (Sequoia)

1. AAngiosperm
2. BFree fern
3. CPteridophyte
4. DGymnosperm

From the following phylum which organisms do exhibit radial symmetry in adults and bilateral symmetry in larvae?

1. AEchinodermata
2. BArthropoda
3. CAnnelida
4. DChordata

Mesophyll is made up of

1. ACollenchyma
2. BParenchyma
3. CSclerenchyma
4. DPhloem

Mesosomes are the foldings of cell membrane, which I) Are in the form of vesicles tubules and lamellae. J) Increase the surface area of plasma membrane. K) Are present in both prokaryotic and eukaryotic cells. Which of the following option is most appropriate?

1. A(J) and (K)
2. B( I) and (J)
3. C(I) and( K)
4. D( I), (J) and (K)

The first acceptors of electrons from an excited chlorophyll molecule of photosystem-II is

1. AIron-sulphur protein
2. BQuinone
3. CCytochrome
4. DFerredoxin

Hypothalamus controls

1. i)
   Urge for eating and drinking
2. ii)
   Body temperature
3. iii)
   Secretes hormones
4. iv)
   Creative thinking and consciousness Choose the correct option: