BOTANY PG TRB PREPARATION ONLINE TEST - 1

Botany PGTRB Online test

1. Anatropous ovule is found in ?
Polygonum
Tridax
Capparis
Botomus
2. Emasculation is ?
Removal of calys
Removal of anthor from flower
Removal of petals
Removal of ovary
3. First act in taxonomy is ?
Preservation
Naming
Identification
Classification
4. Hierarchy of categories was introduced by ?
Linnaeus
De Candole
Bauhin
Jhon Ray
5. A medullated protostele is ?
Dictiostele
Protostele
Solenostele
Siphonostele
6. Phytochrome is involved in ?
Geotropism
Photorespiration
Phototropism
Photoperiodism
7. Which is c4 plant ?
Pea
Potato
Pea
Maize
8. Linkage in plants was fist shown in
Pisum sativum
zea mays
Lathyrus Odoratus
Oenothera lamarkiana
9. Heterospory is found in ?
Lycopodium
Seleginella
Pteris
Psilotum
10. Ruminate endosperm is found in ?
Brassica
Annona
Citrus
Capparis
11. A virion is a ?
Infectious nucleic acid
Infectious virus particle
Virus parasitic on bacteria
Virus parasitic on algae
12. Bacteria having a tuft of flagella at both ends are called ?
Atrichous
Bitrichous
Peritrichous
Amphitrichous
13. Sieve tubes are found in ?
Pollen tube
Phloem
Xylem
Meristerms
14. Pseudoelaters are present in ?
Anthoceros
Polytrichum
Riccia
Marchantia
15. The Simple Protein 'glutelins' are found in ?
Maize
wheat
Rice
Sorghum
16. Cork cambium in stem is derived from ?
Cortex
Vascular cambium
Phellogen
Pericycle
17. In funaria Calyptra is derived from ?
Archegonium
Antheridium
Columella
Capsule
18. Different forms of a gene are called ?
Complementary genes
Supplementary genes
Alleles
Heterozygotes
19. Wood is mainly composed of ?
Secondary xylem
Secondary phloem
Spongy Paranchyma
Sclerenchyma
20. Winged pollen grains and winged seeds are found in ?
Gnetum
Cycus
Pinus
Cedrus
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