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  1. Problems
  2. /Human Body

Human Body

Biology
+ Upload a Problem
Subtopic
47 problems
Type:
1.
In a district, there were 10 000 boys under six in both of two surveys. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Hard
2.
Match each method of contraception to the way it works: (a) condom, (b) hormone pill, (c) copper-T… New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
3.
A town has 4820 girls and 5200 boys under six years of age. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
4.
A doctor counts a pregnancy as about 280 days. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
5.
Name two substances that pass from the mother to the embryo through the placenta, and one that… New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
6.
Sunita's menstrual cycle is 28 days long, and each period lasts about 5 days. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
7.
A zygote divides into two cells, and every cell divides again at each step. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
8.
Rohit asks why the testes hang outside the body cavity, where they seem less protected. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
9.
Suppose a woman's ovaries release one egg each month from the age of 13 to the age of 49, with no… New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Medium
10.
Put these parts in the order in which a sperm passes through them: urethra, testis, vas deferens. New
High School (9–10), General · Human ReproductionStemPy LabStemPy Lab
Easy
11.
For each case, say whether a nerve message or a hormone is the better way, and give a reason. New
High School (9–10), General · Hormones and the Endocrine SystemStemPy LabStemPy Lab
Medium
12.
A car horn makes Neha jump. For the next 3 minutes her heart beats 105 times a minute instead of 70. New
High School (9–10), General · Hormones and the Endocrine SystemStemPy LabStemPy Lab
Hard
13.
Two people drink the same sweet drink at 8 am. New
High School (9–10), General · Hormones and the Endocrine SystemStemPy LabStemPy Lab
Medium
14.
A family's iodised salt has 30 mg of iodine in each kg, which is 30 micrograms in each gram. New
High School (9–10), General · Hormones and the Endocrine SystemStemPy LabStemPy Lab
Medium
15.
Name the plant hormone that would be most useful in each case. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Easy
16.
In a dark room, Rahul cuts the tip off an oat shoot. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Hard
17.
A shoot tip sends down 200 units of auxin in an hour. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Easy
18.
A sunflower seedling has a stem 3.0 mm thick. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Hard
19.
In a school garden, Rohan sees two plant movements. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Medium
20.
Farah lays a young bean seedling flat on wet cotton inside a dark box, so that its root and shoot… New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Medium
21.
On a lily flower, a pollen grain lands on the stigma. New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine SystemStemPy LabStemPy Lab
Easy
22.
A cricket ball hits a batter's helmet hard. New
High School (9–10), General · Nervous System and Sense OrgansStemPy LabStemPy Lab
Easy
23.
At rest, Tara's body uses about 7200 kJ of energy in a day. New
High School (9–10), General · Nervous System and Sense OrgansStemPy LabStemPy Lab
Medium
24.
After a fall, Sunil hits the back of his head. New
High School (9–10), General · Nervous System and Sense OrgansStemPy LabStemPy Lab
Medium
25.
Match each action to the part of the brain that controls it: (a) keeping your balance on a narrow… New
High School (9–10), General · Nervous System and Sense OrgansStemPy LabStemPy Lab
Easy
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