Introduction to plant organs and germination - class-V
| Description: introduction to plant organs and germination | |
| Number of Questions: 17 | |
| Created by: | |
| Tags: biology diversity in living things and their classification seeds and seeds structure and functions of living organisms -i evs life within the seed |
The plants whose seeds have only one cotyledon are called
Which of the following seed used as pulse?
The chemical used for treating the dormancy of seed is?
In wheat and rice _________________.
Sprouting time of seeds may vary according to
The class of seeds which must maintain a relatively high moisture content in order to remain viable are known as ______________.
A red or orange dye used in dyeing silks is obtained from the pulp that surrounds the seeds of _________________.
Match List I with List II and select the correct answer using the codes given the lists.
| List-I | List-II |
|---|---|
| a. Camphor | $1$. Alkaloid |
| b. Anthocyanin | $2$. Terpene |
| c. Nicotine | $3$. Phenol |
| d. Hydroquinone | $4$. Glycoside |
Glycolate is converted into glyoxylate in the ___________.
Consider the following statements regarding the introduction of plant materials and seeds.
a. Plant materials and seeds are always introduced from developed countries into developing/less developed countries.
b. The import of living plant materials must be accompanied by a certificate of health to prevent introduction of new disease and insect pests.
c. The superior varieties may be used in hybridization programmes.
Of these statements.
Consider the following statements.
a. The seeds of Zea mays would germinate immediately after falling from the plant if favourable conditions of moisture, temperature and aeration are available.
b. Seed-coat dormancy is exhibited by Cassia and Gossypium
Which of the statements given is/are correct?
How many meiotic divisions are required to produce 200 seeds?
Occasionally, in some seeds such as ______(A) ___, remnants of nucellus are also persistent.This residual, persistent nucellus is the __(B)__________.
State whether the following statements are true or false.
Seedlings grown for a few days in the dark often have lesser fresh weight and greater dry weight than those kept in light for a comparable period.
State whether the following statements are true or false.
A dry pea seed will have more dry weight than a germinated one.
Who of the following is associated with the description of life-forms in plants communities?
Consider the following plants.
a. Curcuma longa
b. Ferula asafoetida
c. Myristica fragrans
d. Smilax aristolochiaefolia
From which of the plants are underground parts used for obtaining spices or products of commercial value?