NEET Biology plant growth development pdf,mock,model,sample tests

Plant Growth and Development Mock Exam-7

Question No:1

As a response to stimuli the coleoptiles caused _____

[A] bending
[B] flowering
[C] budding
[D] all



Question No:2

Auxins are discovered by

[A] Charles Darwin
[B] Francis Darwin
[C] F.W. Went
[D] Both (a) and (b)



Question No:3

Gabriella fujikuroi caused what disease in rice plants?

[A] Foolish seeding
[B] Bikaner
[C] Both
[D] None



Question No:4

Who reported that the symptoms reappeared in uninfected plants treated with sterile filtrate of giberella fungus?

[A] E. Kurosaeva
[B] F. Skoog
[C] Both
[D] None



Question No:5

Callus from which plant was observed by miller?

[A] Tomato
[B] Tobacco
[C] Rice plant
[D] None



Question No:6

Addition of what to auxins in nutrients medium cause proliferation of callus?

[A] DNA
[B] Yeast extract
[C] Coconut milk
[D] All



Question No:7

Who crystallized cytokinin?

[A] Skoog and miller
[B] Charles Darwin
[C] Both (a) and (b)
[D] F.W. Went



Question No:8

Skoog and miller termed cytokinin as

[A] Cytokines is
[B] kinetin
[C] Both
[D] None



Question No:9

Which three different kinds of inhibitors were found in mid-1960s?

[A] Inhibitor-A, Abscission-II and dorm in
[B] Inhibitor—B, Abscission-II and dorm in
[C] Inhibitor-A, Abscission-Ill and dorm in
[D] Inhibitor-B, Abscission-Ill and dorm in



Question No:10

All individually found inhibitors in mid-1960s were later named

[A] Giber relic acid
[B] Auxin
[C] Abscissic acid
[D] None



Question No:11

The volatile substance causing ripening of unripened bananas?

[A] Abscissic acid
[B] Auxin
[C] Ethylene
[D] Terpenes



Question No:12

The only gaseous PGR is _____

[A] IBA
[B] Kinetin
[C] Terpenes
[D] Ethylene



Question No:13

The Greek meaning of ‘Auxein’ is _____

[A] to flower
[B] to seed
[C] to grow
[D] to enlarge



Question No:14

Auxin was first isolated from_____

[A] frog’s wine
[B] Zeatin
[C] human wine
[D] none



Question No:15

The name ‘Auxin’ was given to which chemical?

[A] Indole-3-acetic acid
[B] tndole-6-acetic acid
[C] Indole-3-butyric acid
[D] Indole-6-butyric acid