Užduočių lapas tema Biologija slaugos stojamiesiems egzaminams su atsakymais

Koks yra mažiausias vienetas, laikomas gyvu?

1. ALąstelė
2. BMolekulė
3. CAudinys
4. DAtomas

What are restriction enzymes?

1. AEnzymes that copy RNA into DNA
2. BEnzymes that digest fats in the intestine
3. CEnzymes that cut DNA at specific base sequences
4. DEnzymes that join amino acids into proteins

What is the main role of carbohydrates in the human diet?

1. ATo form antibodies
2. BTo carry the body's genetic information
3. CTo provide a quick source of energy
4. DTo build muscle tissue

A seedling is 4 cm tall at week 1, 8 cm at week 2, 12 cm at week 3 and 16 cm at week 4. If the trend continues, how tall will it be at week 6?

1. A18 cm
2. B20 cm
3. C24 cm
4. D32 cm

What do the spindle fibres do during cell division?

1. AThey make the new nuclear envelope
2. BThey digest the old cell membrane
3. CThey copy the DNA of each chromosome before the cell divides
4. DThey attach to chromosomes and move them to the poles

Which statement best describes biological evolution?

1. AChange in the body of one organism during its lifetime
2. BMovement of animals to a new habitat each year
3. CChange in the inherited traits of a population over generations
4. DGrowth of an organism from a single zygote to a fully grown adult

Paper discs with antibiotics X, Y and Z are placed on a plate covered with bacteria. The clear zones around them are 2 mm, 15 mm and 0 mm wide. What is the best conclusion?

1. AX is most effective, and the bacteria are resistant to Y
2. BY is most effective, and the bacteria are resistant to Z
3. CAll three are equally effective against these bacteria
4. DZ is most effective, because no bacteria grew under the disc

A solution contains 5 mg of a substance in every millilitre. How many milligrams are in 0,02 L of the solution?

1. A10 mg
2. B0,1 mg
3. C1000 mg
4. D100 mg