Question
Suggest two features of plants that will prevent insect and pest infestation.
✓
Answer
- Increasing hair growth on aerial parts of plants.
- Rendering the flowers nectar less.
- Enabling plants to secrete insect killing chemicals (toxins).
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
What is biodiversity? Why is it a matter of concern now?
The figure given below shows the relative contribution of four greenhouse gases to global warming.
- Identify the gases A and C.
- Why are these four gases called greenhouse gases?
i. Given below is a TS of an apple. Identify A, B, and C.
ii. Why is an apple categorised as a false fruit?
ii. Why is an apple categorised as a false fruit?
In the pyramid of biomass drawn below, name the two crops:
- One which is supported
- The one which supports.
Explain the function of umbilical cord.
How do 'implants' act as an effective method of contraception in human females? Mention it's one advantage over contraceptive pills.
Justify the need for signing of Montreal Protocol by the participating nations.
What are induced mutation? Give one example each of physical and chemical mutagen.
Name the labels A, B, C, D, E and F in the diagram of seminiferous tubule.
Identify $a, b, c$ and $d$ in the following table with reference to birth control?
→|
Method
|
Example
|
| $a$ |
Diaphragm
|
|
Female sterilisation
|
$b$ |
| $c$ |
Saheli
|
| $d$ |
Cut
|