10 MCQ on Plant Science for various Agriculture Exams✅ Part -73

 

1) Highest uniformity is observed in a

a Single cross hybrid

b Three way cross hybrid

c Double cross hybrid

d Multiple cross hybrid

2)  Frog eye spot of tobacco is caused by

a Cercospor

b Pythium debaryanum

c Peronospora tabacaci

d Alternaria solani

3) The cell wall of bacterium is made up of

a Cellulose

b Peptidoglycan

c Pectin

d Epidermis

4) Tyloses are produced after infection in

a Phloem

b Embryosac

c Collenchyma

d Synergids

5) The removal cell lying embedded in the nucellus towards the micropylar end is

a Endosperm

b Embryosac

c Egg apparatus

d Poly cross

6) When an inbred is crossed with open pollinated variety, it is known as

a Three way cross

b Double Cross

c Top Cross

d Sunflower

7)  Head to row and remnant seed method is followed in

a Cotton

b Brinjal

c Sorghum

d Papain

8) The protein present in flagellum of eucaryotic cell is

a Flagellin

b Pilin

c Tubulin

d Rostrup

9) First systemic fungicide- Carboxin was introduced by

a Schmelng & Kulkla

b McKinney

c Biffen

d Rostrup

10)  During DNA replication, addition of bases in lagging strand is always

a 5' to 3' direction

b 3' to 5' direction

c Either a or b

d Neither a or b

21)  Seed inspector is appointed under

a Section 14

b Section 13

c Seeds Act 1966

d Section 23