Reproduction and Growth of Plants

Match the following topics with their descriptions.

• The study of how plants obtain and use nutrients for growth and development.

• Plant Diseases

• The biological processes involved in the development and propagation of plants.

• Photosynthesis

• Conditions that negatively affect plant health and productivity.

• Plant Nutrition

• The process by which green plants use sunlight to synthesize foods.

• Reproduction and Growth of Plants

Tags

NGSS.MS-LS1-6

NGSS.MS-LS1-4

(a)   is a type of plant reproduction.

• Photosynthesis

• Asexual reproduction

• Pollination

• Germination

Answer explanation

Asexual reproduction is a type of plant reproduction that does not involve the fusion of gametes. It allows plants to reproduce without seeds or spores, making it distinct from pollination and germination.

Tags

NGSS.MS-LS3-2

Fill in the blank: Asexual reproduction in plants requires only ______ parent organism.

• one

• two

• three

• four

Answer explanation

Asexual reproduction in plants involves only one parent organism, as it does not require the fusion of gametes. This allows for the production of offspring that are genetically identical to the parent.

Tags

NGSS.MS-LS3-2

What is the common use of the term 'structure'?

• A method of reproduction

• A building

• A type of plant

• A scientific term

Answer explanation

The term 'structure' commonly refers to a building, as it denotes a constructed entity with a defined form and purpose. Other options do not align with the primary meaning of 'structure' in everyday language.

Which of the following statements is true?

• All plants reproduce sexually

• Some plants reproduce asexually

• Plants cannot reproduce

• Plants only reproduce in summer.

Answer explanation

The statement 'Some plants reproduce asexually' is true because many plants can reproduce without seeds, such as through runners, tubers, or cuttings, while not all plants reproduce sexually.

Tags

NGSS.MS-LS3-2

The function of pollen grains is to (a)   .

• To produce seeds

• To protect the plant

• To carry sperm cells

• To grow spores.

Answer explanation

Pollen grains are crucial for plant reproduction as they carry sperm cells to the ovule for fertilization. This process leads to the formation of seeds, making 'to carry sperm cells' the correct function of pollen grains.

The word 'inhabit' means (a)  

• To live in a place

• A small, hard piece of something

• The parts of food used by living th

• Seed, a sowing.

Answer explanation

The word 'inhabit' specifically means 'to live in a place.' This definition aligns with the correct answer choice, distinguishing it from the other options, which do not relate to living or residing.

Dandelion seeds move from one place to another by (a)  

• Water

• Wind

• Animals

• Humans

Answer explanation

Dandelion seeds are lightweight and have fluffy structures that allow them to be carried by the wind. This natural mechanism helps them disperse over long distances, making 'Wind' the correct answer.

Coconuts have fibrous husks that help them float on (a)   .

• Wind

• Water

• Animals

• Humans

Answer explanation

Coconuts have fibrous husks that allow them to float on water, which helps them disperse across oceans and beaches. This adaptation is crucial for their survival and reproduction, making 'water' the correct answer.

Tags

NGSS.4-LS1-1

How do humans unintentionally carry seeds to different locations?

• By planting them

• By eating them

• By brushing them off clothes

• By watering them.

Answer explanation

Humans unintentionally carry seeds by brushing them off their clothes. Seeds can cling to fabric, and when people move to different locations, they inadvertently transport these seeds, aiding in their spread.