Dear Aspirants,
Welcome to D2G’s IBPS Agriculture Officer Quiz Section.
1. Spherosomes are related with?
a) chlorophyll
b) red pigment
c) power
d) fat
2. Ribosomes are produced in?
a) ER
b) nucleolus
c) mitochondria
d) chloroplast
3. The strongest bond is?
a) ionic bond
b) covalent bond
c) hydrogen bond
d) van der walls
4. The weakest bond is?
a) ionic bond
b) covalent bond
c) hydrogen bond
d) van der walls
5. Calcium is an important constituent of?
a) protein
b) cell wall
c) chloroplast
d) nucleic acid
6. Stomata are regulated by?
a) N
b) P
c) K
d) Ca
7. Plant lost water in transpiration upto the extent of?
a) 80%
b) 90%
c) 95%
d) 99%
8. The world tallest tree is?
a) Seqouia sempervirens
b) Eucalyptus regans
c) Psendotsuga menziesii
d) Alianthus excelsa
9. The xylem and phloem elements in the plant are surrounded by a layer of living cells called?
a) Casparian strips
b) Pericycle
c) Stele
d) Endodermis
10. Iron stored in chloroplast as an iron protein complex is called?
a) calmodium
b) phytoferritin
c) chloroferritin
d) chromoferritin