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High School (9–10)
General
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Photosynthesis
Reproduction in Plants
Plant Hormones and Movements
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22 problems
Type:
Any
Conceptual
Numerical
1.
Put these events in the right order, and explain the link between the second and the third: the…
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Hard
2.
Ravi's papaya tree flowers every year but never bears fruit.
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Medium
3.
On a pea plant, 18 flowers are pollinated.
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Easy
4.
In an aquarium, a Hydra makes one bud every 4 days.
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Hard
5.
A nursery plants 60 rose cuttings, and 85% of them grow roots.
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Medium
6.
On a damp slice of bread, Rhizopus forms 40 sporangia, and each releases about 3000 spores.
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Medium
7.
A teacher cuts one Planaria into five pieces and keeps them in clean pond water.
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Easy
8.
An Amoeba in a drop of pond water divides by binary fission every 45 minutes, and every daughter…
New
High School (9–10), General · Reproduction in Plants
StemPy Lab
Easy
9.
Banana plants on a large farm are all grown from suckers of a single parent, so they are almost…
New
High School (9–10), General · Reproduction in Plants, Heredity and Inheritance
StemPy Lab
Medium
10.
In a lab culture, about 1 in 500 new cells carries a small change in its DNA.
New
High School (9–10), General · Reproduction in Plants, Heredity and Inheritance
StemPy Lab
Medium
11.
A pond holds millions of bacteria of one kind.
New
High School (9–10), General · Reproduction in Plants, Heredity and Inheritance
StemPy Lab
Easy
12.
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 System
StemPy Lab
Easy
13.
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 System
StemPy Lab
Hard
14.
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 System
StemPy Lab
Easy
15.
A sunflower seedling has a stem 3.0 mm thick.
New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine System
StemPy Lab
Hard
16.
In a school garden, Rohan sees two plant movements.
New
High School (9–10), General · Plant Hormones and Movements, Hormones and the Endocrine System
StemPy Lab
Medium
17.
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 System
StemPy Lab
Medium
18.
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 System
StemPy Lab
Easy
19.
Sana puts a water plant in a beaker and a lamp beside it.
New
High School (9–10), General · Nutrition, Photosynthesis
StemPy Lab
Medium
20.
Arjun has a croton plant whose leaves are green in the middle and white at the edges.
New
High School (9–10), General · Nutrition, Photosynthesis
StemPy Lab
Medium
21.
Some books write photosynthesis as 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂.
New
High School (9–10), General · Nutrition, Photosynthesis
StemPy Lab
Medium
22.
Meera peels the lower skin of a leaf and looks at it under a microscope.
New
High School (9–10), General · Nutrition, Photosynthesis
StemPy Lab
Easy