1
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
Which of the following processes gives rise to new organisms from unfertilized ova in some species of plants and animals?
A
Autogamy and parthenogenesis
B
Parthenogenesis and apomixis
C
Syngamy and apomixis
D
Xenogamy and autogamy
2
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1

$$ \text { How many atoms are present in a hexagonal close-packed unit cell? } $$

A
4
B
2
C
8
D
6
3
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1
The molar conductivity of 0.00241 M acetic acid is $32.87 \mathrm{Scm}^2 \mathrm{~mol}^{-1}$. If the limiting molar conductivity at 298 K is $390.5 \mathrm{Scm}^2 \mathrm{~mol}^{-1}$, what is the dissociation constant ( $\mathrm{mol} \mathrm{L}^{-1}$ )?
A
$5.36 \times 10^{-5}$
B
$1.86 \times 10^{-5}$
C
$5.36 \times 10^{-4}$
D
$1.86 \times 10^{-4}$
4
IAT (IISER) 2020
MCQ (Single Correct Answer)
+4
-1

$$ \text { What is the most appropriate Lewis structure of } \mathrm{NO}_2 \mathrm{~F} \text { ? } $$

A
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 1
B
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 2
C
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 3
D
IAT (IISER) 2020 Chemistry - Chemical Bonding and Molecular Structure Question 4 English Option 4
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