GENERAL SCIENCE II

The fact that large numbers of mitochondira are observed in the tuble cells of nephrons suggest that the nephron is involved in the process of:

Passive transport

Active Transport

Diffusion

Osmosis

Some vines can climb post easily because they respond positively to touch. Such response is termed _______.

Photoperidism

Phototropism

Geotropism

Thigmotropism

Some plants have waxy leaves due to the presence of cutins. Which is a characterisric of cutin?

Liquid at room temperature

Is a hydrophobic substance

Similar to steriods

Short Chain fatty acids.

a vegetable grower is selecting good squash seeds that will surely germinate. What is the usal practice?

Open and find out if it has cotyledon.

press and get the hard one

place them in water and select that sink

select those that float in water

We should avoid indiscriminate cutting of trees because:

It loosens the soil and causes flooding

we will run out of wood for building houses `

it makes the forest dry

it is the law

What type of joint is responsible for strengthening or bending our arms and legs?

Sliding

Hinge

Pivot

Ball and socket

Which is the correct hierarchy of ecological organization?

Population, Ecosystem, community, biosphere

Population, biosphere, Ecosystem, community,

Ecosystem, population, community, biosphere

Population, Community, ecosystem, biosphere

Pure water is neither acidic nor basic, it is neutral. It has a pH of ______.

4.1

8.5

In a hydrologic cycle, what processes must occur in order to complete the cycle?

Respiration and evaporation

Evaporation and sublimation

Condensation and sublimation

Evaporation and condensation

Which of the following clues would tell you whether a cell is prokaryotic or eukaryotic?

Whether or not the cell carries our cellular metabolism

The presence of absorbance of a rigid cell wall

The presence or absence of ribosome

Whether or not the cell is partitioned by internal membranes

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