MCQ
An obligate root parasite is:
- ARafflesia
- BLoranthus
- CStriga
- ✓Both $A$ and $C$
✓
Answer
Correct option: D.
Both $A$ and $C$
Loranthus and Viscum are both partial stem parasites. Striga is obligate root parasite and Rafflesia is total or obligate root parasite.
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
The scientist of _________ institute has developed the new oral contraceptive pills 'Saheli' for female:
The productivity of all the autotrophs including green plants, protists and bacteria is called as:
Match between the following representing parts of the sperm and their functions and choose the correct option.
Options:
→|
|
Col. $A$
|
|
Col. $B$
|
| $a.$ |
Head
|
$i.$ |
Enzymes
|
| $b.$ |
Middle piece
|
$ii.$ |
Sperm motility
|
| $c.$ |
Acrosome
|
$iii.$ |
Energy
|
| $d.$ |
Tail
|
$iv.$ |
Genetic material
|
High levels of aspartic acid, low nitrogen and sugar content in maize plants prevent the attack by:
Select incorrect statement w.r.t. greater biological diversity in tropics
→$(A)$ Tropical latitudes have remained relatively undisturbed for millions of years and thus had a long evolutionary
time for species diversification.
$(B)$ Tropical environments are more seasonal and less predictable than temperates.
$(C)$ There is more solar energy available which contributes to higher productivity.
Frameshift mutation arises due to
Full form of $\text{B.O.D.}$ is:
→A country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of populations $A$ and $B$ twenty years apart. Select the correct interpretation about them.
→When there are large number of post-reproductive or older individuals and lesser number of pre-reproductive individuals then that population is
What is the marriageable age for the females and males respectively in India?