BOTANY PG TRB PREPARATION ONLINE TEST - 4

Botany PGTRB Online Test

1. Photosynthetic units are
A) Ribosomes
B) Quantasomes
C) Glyoxysomes
D) Peroxisomes
2. The type of cell division that occurs in megaspore mother cell is
A) Mitosis
B) Amitosis
C) Meiosis
D) Endomitosis
3. Nucleus was discovered by
A) Robert Brown
B) Meischer
C) Wilkin et al
D) Feulgen
4. Vascular cambium is
A) Apical meristem
B) Lateral meristem
C) Ground meristem
D) Intercalary meristem
5. Medullary bundles are present in
A) Tridax
B) Nyctanthes
C) Boerhaavia
D) Maize
6. Placentation is parietal in the members of
A) Rutaceae
B) Cucurbitaceae
C) Verbenaceae
D) Poaceae
7. Number of microspores produced by 4 microspore mother cells is
A) 4
B) 8
C) 16
D) 32
8. The wall layer which helps in the dehiscence of anther is
A) Tapetum
B) Middle layer
C) Endothecium
D) Epidermis
9. Pick out a medicinal plant
A) Cassia auriculata
B) Cleome viscosa
C) Annona squamosa
D) Centella asiatica
10. Endosperm cells are mostly
A) Diploid
B) Triploid
C) Haploid
D) Polyploid
11. The pedicel of all flowers are equal in the infloresence known as
A) Spike
B) Umbel
C) Corymb
D) Capitulum
12. The old name of Asteraceae is
A) Gramineae
B) Cruciferae
C) Compositae
D) Umbelliferae
13. Pollinium is present in
A) Asteraceae
B) Asclepiadaceae
C) Euphorbiaceae
D) Sapotaceae
14. The fruit of citrus is
A) Berry
B) Drupe
C) Hesperidium
D) Sorosis
15. The flower is apocarpous in
A) Anona
B) Cucurbita
C) Achras
D) Vitex
16. The leaves are ligulate in
A) Lycopodium
B) Selaginella
C) Adiantum
D) Equisetum
17. The stele without pith is known as
A) Solenostele
B) Siphonostele
C) Protostele
D) Dictyostele
18. Vessels are present in
A) Gnetum
B) Pinus
C) Cycas
D) Thuja
19. The wood is eccentric in some species of
A) Cycas
B) Gnetum
C) Pinus
D) Araucaria
20. Cupules are present in the inflorescence of
A) Pinus
B) Gnetum
C) Cycas
D) Cryptomeria
Score =
Correct answers: