MCQ
Which type of stimulus is used to achieve parthenogenetic development?
- AChemical
- BChange in $pH$
- CPricking with microneedle
- ✓All of the above
✓
Answer
Correct option: D.
All of the above
The stimulus which are used to induce artificial parthenogenesis are chemicals like salts, weak acids, organic solvents$, ($chloroform$)$ urea, sucrose, strychnine and physical stimuli like temperature, electric shock or mere shaking, a needle smeared with blood $($egg of frog$)$ and saline solution $($egg of sea urchin$).$
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
Active immunity is obtained by
A single ejaculation contains $...A...$ to$...B..$. million spermatozoa. Semen has pH of $...C...$ to $...D....$ Its alkalinity helps to neutralize the acidity of urethra. Here $A,B, C$ and $D$ refers to
→Select the correct statement about biodiversity.
The birth and death rates of four countries are given below. Which one will have the least population growth rate?
→| $Country$ | $Birth\, rate$ $/1000$ | $Death$ $/1000$ |
| $M$ | $15$ | $5$ |
| $N$ | $25$ | $10$ |
| $O$ | $35$ | $18$ |
| $P$ | $48$ | $41$ |
In indeterminate cleavage the fate of blastomeres is fixed at which of the following stage
Which of the following pairs is $wrongly$ matched?
→Oparin and Haldane's theory is also called
In the list of organisms given below, those that reproduce by the asexual methods are:
Restriction enzymes belong to a larger class of enzymes, which is called as: