Tag: biology
Questions Related to biology
Mark the method by which you can take care of your nails.
-
Avoid using low quality nail polish and nail polish remover.
-
Apply emollients.
-
Both A and B.
-
None of the above.
- Keeping fingernails dry and clean. This prevents bacteria from growing under your fingernails. Practice good nail hygiene. Use sharp manicure scissors or clippers. Use moisturizer and emollients. Apply a protective layer. Avoid using low-quality nail polish and nail polish remover. Hence, the method by which you can take care of your nails is by Avoid using low-quality nail polish and nail polish remover and Apply emollients.
Maintaining personal hygiene is important because
-
Lack of oral hygiene causes oral thrush and dental caries.
-
Poor personal hygiene may causes foul smelling.
-
Poor personal hygiene affects the appearance of an individual.
-
All of the above.
- The Importance of Good Personal Hygiene is for the maintaining of personal hygiene as it is necessary for many reasons like for personal, social, health, psychological or simply as a way of life.
- Keeping a good standard of hygiene helps to prevent the development and spread of infections, illnesses and bad odours. Hence, Maintaining personal hygiene is important because Lack of oral hygiene causes oral thrush and dental caries, Poor personal hygiene may cause foul smelling and Poor personal hygiene affects the appearance of an individual.
What causes tooth decay?
-
Acid
-
Alkaline
-
Caffeine
-
None of the above
- Cavities, also called tooth decay or caries, are caused by a combination of factors, including bacteria in your mouth, frequent snacking, sipping sugary drinks, levels of acid in food and not cleaning your teeth well.
- Cavities and tooth decay are among the world's most common health problems.
- Sugar isn't the only culprit when it comes to tooth decay. High levels of acid in everyday foods and drinks can be just as harmful. From oranges to wine, high-acid foods and drinks can wear away your teeth, causing decay, sensitivity and discolouring. Hence, Acid causes tooth decay.
Massage of skin improves
-
Digestion
-
Blood circulation
-
Excreation
-
Respiration
- Massage helps to reduce tension in the skin and adjoining tissues as well as increasing its circulation and improve its nutrition.
- Massage can help to re-moisturize and soften dry skin. Increases sebum (natural oils produced by your skin) production, helping improve your skin's suppleness. Hence, Massage of the skin improves Blood circulation.
How should one take care of their nose and ear?
-
The discharges from the nose and ear are common and it should be removed frequently.
-
Clean the nose and ear once a month.
-
Should always apply pressure to remove dry materials from the nose and ear. It can be removed by wet cloth or cotton.
-
Do not use sharp objects to remove wax from the ear. It may tear the tympanic membrane and cause hearing impairment.
- We should take care of our nose and ear by:
A person needs .......... hours of sleep to maintain health.
-
11-14
-
14-18
-
7-9
-
7-11
A normal person needs 7-9 hours of sleep to have a healthy life because less than this can alters insulin resistance, which is associated with an increased risk of developing type 2 diabetes. Various other risk factors are associated with deprived sleeping conditions like obesity.
An individual is prone to ............................ due to inadequate sleep.
-
Fever
-
Strong bones
-
Diabetes
-
None of the above
Lack of sleep can lead to a number of issues in an individual. These include stress, increased risk of diabetes, heart problems and obesity. Therefore, (c) is the correct answer.
Basal metabolic rate is minimum energy required during
-
Work
-
Walking
-
Rest
-
Sitting
Meristematic tissue occurs in
-
Stems
-
Roots
-
All growing tips
-
Both of the (A) and (B)
- Meristem is the region marked by the presence of active cell growth and the tissues present in meristem are termed as meristematic tissues.
- On the basis of their position in the plant body, meristems are grouped as apical, lateral or intercalary meristem.
- Stem has apical meristem in the shoot apex, intercalary meristem in nodes and lateral meristem in form of cambium in vascular bundles.
- Roots have apical meristem root apex and lateral meristem in form of cambium in vascular bundles. Shoot and root tips are the growing tips of a plant. Due to presence of root cap in terminal position, root apical meristem is subterminal in position thus, not all the growing tips have meristem.
Meristems are
-
Permanent cells
-
Dividing cells
-
Mechanical cells
-
None of the above
A meristem is the tissue in most plants containing undifferentiated cells, found in zones of the plant, where growth can take place. Meristematic cells give rise to various organs of the plant and keep the plant growing. The shoot apical meristem gives rise to organs like the leaves and flowers, while the root apical meristem provides the meristematic cells for the future root growth.