IIT JEE Practice Question and Answer
8Q: Computer storage units smallest to largest? 2156 05b5cc6a0e4d2b4197774ca80
5b5cc6a0e4d2b4197774ca80- Show Answer
- Workspace
- SingleChoice
Answer :
Explanation :
The smallest unit of data storage in a computer is called Bit (Binary Digit). Half a byte (four bits) is called a Nibble. 1 bit (binary digit) = the value of 0 or 1 8 bits = 1 byte 1024 bytes = 1 kilobyte 1024 kilobytes = 1 megabyte 1024 megabytes = 1 gigabyte 1024 gigabytes = 1 terabyte 1024 terabytes = 1 petabyte Hence, Computer storage units smallest to largest i.e, in ascending order is 1 bit < 1 byte < 1 KB < 1 MB < 1 GB < 1TB < 1 PB.
Q: Vaunt : Flaunt :: Disparate : ? 5338 05b5cc6a0e4d2b4197774ca7b
5b5cc6a0e4d2b4197774ca7b- 1Similarfalse
- 2Homogenousfalse
- 3Contrasttrue
- 4Alikefalse
- Show Answer
- Workspace
- SingleChoice
Answer : 3. "Contrast"
Explanation :
Answer: C) Contrast Explanation: Vaunt - Vaunt means to boast or to praise about something excessively. Flaunt - Flaunt also means to boast about something or to praise something. Flaunt is the synonym of the word Vaunt. Disparate - Disparate means essentially different in its kind or unlike or not able to be compared. Then the required word is the synonym of Disparate. Here in the given options, Contrast is the only word which is similar in meaning of Disparate. Hence, Vaunt : Flaunt :: Disparate : Contrast.
Q: What determines the value of an item? 1793 05b5cc6a0e4d2b4197774ca76
5b5cc6a0e4d2b4197774ca76- 1the capital required to build the factorytrue
- 2the unlimited wants of the consumersfalse
- 3the resources consumed in productionfalse
- 4the amount of goods that are producedfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 1. "the capital required to build the factory"
Explanation :
Answer: A) the capital required to build the factory Explanation: Value is the monetary worth of something, in this case, it is an item. In option A, since it is talking about capital which is measured in monetary terms. The value of an item is determined by its quality and its age. Often antiques with good quality are sold in the market with a high value and are sometimes auctioned.
Q: Tilak rides on a cycle to a place at speed of 22 kmph and comes back at a speed of 20 kmph. If the time taken by him in the second case is 36 min. more than that of the first case, what is the total distance travelled by him (in km)? 2175 05b5cc6a0e4d2b4197774ca6c
5b5cc6a0e4d2b4197774ca6c- 1132 kmfalse
- 2264 kmtrue
- 3134 kmfalse
- 4236 kmfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 2. "264 km"
Explanation :
Answer: B) 264 km Explanation: Let the distance travelled by Tilak in first case or second case = d kms Now, from the given data, d/20 = d/22 + 36 min => d/20 = d/22 + 3/5 hrs => d = 132 km. Hence, the total distance travelled by him = d + d = 132 + 132 = 264 kms.
Q: What type of compound is Lecithin? 1383 05b5cc6a0e4d2b4197774ca67
5b5cc6a0e4d2b4197774ca67- 1Sterolfalse
- 2Phospholipidtrue
- 3Lipoproteinfalse
- 4Glycolipidfalse
- Show Answer
- Workspace
- SingleChoice
Answer : 2. "Phospholipid"
Explanation :
Answer: B) Phospholipid Explanation: Lecithin is a Phospholipid type of compounds. The main phospholipids in lecithin from soya and sunflower are phosphatidyl choline, phosphatidyl inositol, phosphatidyl ethanolamine, and phosphatidic acid.
Q: A Caste system is defined as 1520 05b5cc6a0e4d2b4197774ca66
5b5cc6a0e4d2b4197774ca66- Show Answer
- Workspace
- SingleChoice
Answer :
Explanation :
A caste system is a social structure or a class structure in which classes are determined by heredity, that is determined by birth. Loosely, it means that in some societies, if your parents are poor, you’re going to be poor, too. Same goes for being rich if you’re a glass-half-full person.
Q: I jump when i walk and sit when i stand, who am I? 2074 05b5cc6a0e4d2b4197774ca65
5b5cc6a0e4d2b4197774ca65- Show Answer
- Workspace
- SingleChoice
Answer :
Explanation :
Kangaroo.
Q: Which observation proves that a cell is a eukaryote? 3713 05b5cc6a0e4d2b4197774ca60
5b5cc6a0e4d2b4197774ca60- 1It contains DNAfalse
- 2It contains ribosomesfalse
- 3It has a cell membranefalse
- 4It has DNA inside a nucleustrue
- Show Answer
- Workspace
- SingleChoice
Answer : 4. "It has DNA inside a nucleus"
Explanation :
Answer: D) It has DNA inside a nucleus Explanation: Eukaryotic cells all have a nucleus. Eukaryotes are organisms that are multicellular, although there are some examples of single cellular eukaryotes. So eukaryotic cells can be either cell with a nucleus or a eukaryotic organism's cell. The most important feature to judge whether it has nucleus membrane. And for other choices, they are the common features of eukaryote and prokaryote.