Practice Question and Answer
8Q: What holds the sides of the DNA ladder together? 3572 05b5cc69ae4d2b4197774c78c
5b5cc69ae4d2b4197774c78c- 1Polar covalent bondsfalse
- 2Ionic bondsfalse
- 3Metallic bondsfalse
- 4Covalent bondstrue
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Answer : 4. "Covalent bonds"
Explanation :
Answer: D) Covalent bonds Explanation: Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA i.e, A sugar (deoxyribose) and a phosphate. DNA is a double-stranded molecule twisted into a helix (think of a spiral staircase). Each spiraling strand, comprised of a sugar-phosphate backbone and attached bases, is connected to a complementary strand by non-covalent hydrogen bonding between paired bases. The bases are adenine (A), thymine (T), cytosine (C) and guanine (G). A and T are connected by two hydrogen bonds. G and C are connected by three hydrogen bonds.
Q: The simple interest on a certain sum for 2 years at a certain rate of interest is Rs.2000 and compound interest on the same sum, same time and same rate of interest is Rs.2050. Then find the ratio between CI for 2 years and CI for 3 years?
3572 05e78b87457696a734c29b3d5
5e78b87457696a734c29b3d5- 1820 : 1361false
- 2820 : 1261true
- 31261 : 820false
- 41361 : 820false
- 5None of thesefalse
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Answer : 2. "820 : 1261"
Q:Direction: In each of the following questions, one statements are given followed by two conclusions I and II. You have to consider the statement to be true even if they seem to be at variance from commonly /known facts. You have to decide which of the given conclusions, if any, follow from the given statement.
Statement:
I. An apple a day keeps the doctor away.
Conclusions:
I. Apple is better than banana.
II. Apple is good for health.
3572 15e96f39cfc7e7a3060b6c008
5e96f39cfc7e7a3060b6c008- 1Only Ifalse
- 2Only IItrue
- 3Neither I nor IIfalse
- 4Either I or IIfalse
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Answer : 2. "Only II "
Q: The basic operations performed by a computer are 3571 05b5cc651e4d2b4197774bcea
5b5cc651e4d2b4197774bcea- 1Logical operationfalse
- 2Storage and relativefalse
- 3Arithmetic operationfalse
- 4All the abovetrue
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Answer : 4. "All the above"
Explanation :
Answer: D) All the above Explanation: The basic operations performed by a computer are Arithmetic operation, Logical operation and Storage and relative.
Q: The beach sands of Kerala are rich in
3571 05d7b7e573b63ff29cdecf6e3
5d7b7e573b63ff29cdecf6e3- 1Calciumfalse
- 2Radiumfalse
- 3Thoriumtrue
- 4Manganesefalse
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Answer : 3. "Thorium"
Q: Which of the following commands sets a trunk port on a 2960 switch? 3571 05b5cc7e5e4d2b419777518f4
5b5cc7e5e4d2b419777518f4- 1truck onfalse
- 2truck allfalse
- 3switchport trunk onfalse
- 4switchport mode trunktrue
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Answer : 4. "switchport mode trunk"
Explanation :
Answer: D) switchport mode trunk Explanation: To set a switch port to trunk mode, which allows the data of all VLAN information to pass down the link, use the switchport mode trunk command.
Q: $$ {Cos^4θ +Sin^4θ}={2 \over3} $$ then the value of $$ {Cos^2θ -Sin^2θ+1}$$?
3570 05e5cac92ceeecd2b761887bd
5e5cac92ceeecd2b761887bd- 1$$ {13 \over15} $$false
- 2$$ {14\over15} $$false
- 3$$ {15 \over14} $$false
- 4$$ {15 \over13} $$true
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Answer : 4. "$$ {15 \over13} $$"
Q: Losar Festival is celebrated in which state/UT?
3569 05e0988cf6b6f207e84c3624d
5e0988cf6b6f207e84c3624d- 1Manipurfalse
- 2Nagalandfalse
- 3Mizoramfalse
- 4Ladakhtrue
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