Hello Aspirants. Welcome to Online General Knowledge section in Affairs cloud, which is important for all the competitive exams. We have created Some questions related to General Science(Biology) !!
- Expand DNA
1.Deoxyhydro Nitric Acid
2.Deoxyribo Nucleic Acid
3.Deoxyribo Nitric Acid
4.Deoxyhydro Nitrous Acid
5.None of theseAnswer – 2.Deoxyribo Nucleic Acid
Deoxyribonucleic acid or DNA is a molecule that contains the instructions an organism needs to develop, live and reproduce
- Single set of chromosome is called in cell is called …………….
5.None of theseAnswer – 2.Haploid
Haploid describes a cell that contains a single set of chromosomes and Ploidy is the number of sets of chromosomes in a cell
- ………………….. is a functional unit of gene
5.None of theseAnswer –3.Cistron
Cistron is the smallest unit of genetic material that must be intact to function as a transmitter of genetic information
- Mulbery is a ……………. fruit
5.None of theseAnswer – 4.Composite
Mulbery Composite fruit – a complete inflorescence is called a multiple or a composite fruit.
- The blood circulation inside the body takes approximately how many seconds ?
5.None of theseAnswer – 1.23
The blood circulation inside the body takes approximately 23 seconds
- Expand DPT
1.Dengue, Polio and Tetanus
2.Diphtheria, Pertussis and Tetanus
3.Diphtheria, Pertussis and Typhoid
4.Dengue, Polio and Typhoid
5.None of theseAnswer – 2.Diphtheria, Pertussis and Tetanus
Diphtheria, tetanus, and pertussis are serious diseases caused by bacteria. Diphtheria and pertussis are spread from person to person.
- Blood is a which type of tissue ?
5.None of theseAnswer – 3.Connective
Blood is considered a connective tissue for two basic reasons:
1.Embryologically, it has the same origin (mesodermal) as do the other connective tissue types
2.Blood connects the body systems
- The Orange and Yellow colours of leaves are due to ………………..
5.None of theseAnswer – 4.Carotenoids
Chlorophylls – green and Carotene is a pigment that absorbs blue and indigo light, and that provides rich yellows and oranges, Flavonoids are the yellow plant pigments seen most notably in lemons, oranges, and grapefruit.
- Saliva helps in digestion of ……………………
5.None of theseAnswer – 3.Starch
The digestive functions of saliva include moistening food andhelping to create a food bolus.
- The optimum dissolved oxygen level required for survival of aquatic organisms is …………
5.None of theseAnswer – 2.4-6 mg/litre
Dissolved oxygen levels below 3 ppm are stressful to most aquatic organisms. Levels below 2 ppm will not support fish at all.