1. Study the following lists and identify the correct match.
List – I List – II
A)
The oldest book on
Agriculture I) Robert Hooke
B) Micrographia II) Camerarius
C) Description of sexual
reproduction in plants III)Van Leeuwenhoek
D) Role of chromosomes
in heredity IV)Parasara
V) Sutton and Boveri
1. In Duranta the nature of vascularised defensive structures represent the
modifications of
The aerial short and branched roots of an autotrophic plant that provide stability
are known as
[A] : All roots are positively geotropic.
[R] : Respiratory roots are achlorophyllous.
One of the following plants develops parasitic roots at its earlier stages and later
becomes autotrophic
Arrange the following modified stems in a sequence of positively geotropic to
negatively geotropic growth patterns
i) Modified stem of Curcuma
ii) Modified stem of Amorphophallus
iii) Modified stem of Stachys tubifera
iv) Modified stem of Mentha arvensis
Thirty seeds each of Dolichos, Pisum and Maize are kept for germination in the soil.
How many cotyledons are found above the soil and below the soil respectively when
all the seeds germinate?
1. Fibrous thickenings of Endothecium of microsporangium are chemically made of
2. All the nuclei of embryosac do not have same genetic constitution in
i) Polygonum ii) Allium iii) Peparomia iv) Fritillaria
2. Which one shows the correct descending sequence with reference to the number of
cohorts.