1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : Parthenocarpy involves the formation of seedless fruit.

Reason : Apomixis occurs without fertilisation.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
2
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Out of $$\mathrm{BeF}_2, \mathrm{MgF}_2, \mathrm{CaF}_2, \mathrm{SrF}_2$$ which has maximum solubility?

A
$$\mathrm{BeF}_2$$
B
$$\mathrm{MgF}_2$$
C
$$\mathrm{CaF}_2$$
D
$$\mathrm{SrF}_2$$
3
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Which of the following statement is correct for oleum?

A
It is prepared by adsorption of $$\mathrm{SO}_3$$ in conc. $$\mathrm{H}_2 \mathrm{SO}_4$$
B
It contains $$\mathrm{O}-\mathrm{O}$$ groups
C
It has six $$\mathrm{OH}$$ groups
D
None of the above
4
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Which of the following can react with $$\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7$$ ?

A
$$\mathrm{SO}_3^{-2}$$
B
$$\mathrm{CO}_3^{-2}$$
C
$$\mathrm{SO}_4^{-2}$$
D
$$\mathrm{NO}_3^{-}$$
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