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Questions in biology

[Terjawab] Write down True or False and correct the false statements. 1. The eyeball moves with the help of ciliary muscle. False 2. The small gap between the two strands of iris is known as pupil.

[Terjawab] Use the Punnett square below to answer the question. YY or Yy = yellow flowers yy = white flowers GG or Gg = green seeds gg = black seeds What percent of offspring are dihybrids? A. $25 \%$ B. $6.3 \%$ C. $18.7 \%$

[Terjawab] What subphylum does the common pill bug (roly poly) belong to? A) Hexapoda B) Crustacea C) Chelicerata D) Myriapoda

[Terjawab] In coconut fruit, the hard shell is: (1) Endocarp (2) Fused structure of mesocarp and endocarp (3) Fused structure of epicarp and mesocarp (4) Epicarp

[Terjawab] Which of the following laboratory techniques utilizes an electric current and relies on the fact that DNA molecules are negatively charged? A) PCR B) gel electrophoresis C) restriction enzymes D) DNA isolation

[Terjawab] Sentences with the correct words or phrases. You will not use all the words. Words: cats, cells, intestines, mice, quieter, tiny organisms 1. Microbes are our ______ behaviour. 2. Elaine Hsiao's theory is that microbes affect ______ brain. 3. Microbes in your gut send messages to your ______. 4. The messages travel through ______ in your body. 5. Elaine Hsiao did a study using ______. 6. One thing the study showed is that animals are ______ if they have microbes in their gut.

[Terjawab] Shrubs are smaller than: (a) climbers (b) creepers (c) herbs (d) trees

[Terjawab] When a population's birth rate equals its death rate, there is ______ population growth. A. low B. zero C. high D. moderate

[Terjawab] Circle the correct answer. 1. The type of organism which eat meat only are called: herbivore carnivore producer omnivore 2. An example of decomposers is: wolf rabbit earthworms monkeys 3. The biotic components are: decomposers living things producer non-living things 4. In the food chain, plants are: decomposers carnivore producers omnivore 5. The animal found in freshwater ecosystem is: whale shark frog eel Fill in the blanks. Deserts are hot places, bare and rocky or covered with ____.

[Terjawab] How does a mutation in a sex cell differ from a mutation in a non-sex cell? A. Mutations in sex cells are silent mutations. B. Mutations in sex cells are chromosomal mutations. C. Mutations in sex cells are more deadly. D. Mutations in sex cells do not affect the organism.