SCIENCE 10 Q3 EXAM REVIEW

Autonomic Nervous System

Which part of the nervous system is associated with the involuntary control of body movements?

Uterus

It plays an essential part in the female reproductive system because it is the site of egg implantation.

Parathyroid

Which of the following endocrine glands is responsible for normalizing bone growth and controlling the calcium levels in the body?

It carries impulse from sensory organs to the brain.

How does the sensory neuron functions after the sensory organ perceives a stimulus?

Nica's pituitary gland does not secrete enough somatotropin.

Nica and Judy have the same age and both of them are 10th Grader, Judy has the same height with her classmates while Nich is half as tall as Judy. What can you infer on Nica's condition?

Glucagon is released in respose to low blood glucose level and will increase blood sugar into normal level.

Alfred skipped his meals for two days. How will his endocrine system help his body to cope when his blood sugar level drops down?

Follicle Stimulating Hormone

What do you call a hormone that stimulates the ovaries to release estrogen?

Prolactin and Oxytocin

These hormones are needed in order to produce milk by sucking of an infant at the breast of the mother.

Menstrual blood discharge — egg develops — Ovulation occurs — Thickening of lining of the uterus

Which of the following is the correct order of events during the menstrual cycle?

I. III, IV, II

Which is the correct sequence of the male reproductive organs when the sperms move from the testis to the outside of the body?

I. Epididymis

Il. Urethra

Ill. Vas Deferens

IV. Seminal Vesicle

The sperms will die since bulbourethral gland secretes a thick. arid dear mucus that neutralizes traces of acidic urine in the urethra.

What might happen to the condition of the sperm cells in the absence of bulbourethral gland?

The bram send signals to the pituitary gland to release gonadotropic substances

such as follicle stimulating hormone and Luteinizing hormones for the production of sperm cells and testosterone

How does the pituitary gland controls the function of the testes?

Menstruation

It is the monthly changes that takes place in a female reproductive system discharging blood and other materials from the lining of the uterus.

Luteinizing Hormone

Which of the following hormones is responsible in initiating the maturation of the follicles, converts ruptured follicles into corpus luteum and causes the secretion of progesterone.

Excessive secretion of prostaglandins

Menstrual cramps are the results of a strong contraction of uterine wall that occur before and during menstruation. What could possibly be the cause of these cramps?

The egg moves through the oviduct and enters the uterus

During the first 14 days of the cycle, the young egg in the ovary begns to mature.

Assume that there is no sperm is presents in the process, what would happen to the matured egg?

She is showing symptoms of menopausal stage

What can you infer about a 53 years old woman who's experiencing wood swings, wrinkling of skin, few and irregular periods and has low estrogen level?

Homeostasis

It in the state reached when each part of the body functions equibrium with other purta.

Production of stem cells

To achieve homeostasis, the nervous and endocrine system maintain a normal range of the following variables except one:

I, III, II, IV

Select the correct event showing the coordination of nervous, endocrine and reproductive systems during copulation.

I. The brain processes physical stimulation.

Il. The message is transmitted to endocrine system allowing sex glands to

function

Ill. The sex organs perform their corresponding biological functions.

IV. Sex glands in the endocrine system produce secretions that are necessary

for reproduction.

Pregnancy will take place, and the cae will attach to the uterus , and continues to grow inside the womb.

What will happen to the mature egg if fertilization would take place?

Her body will release sweat to lower the temperature of the internal organs and to cool her body down.

Andres was tasked to clean their garden at ten o'clock in the moming where the heat of the sun strikes her a lot. How do the nevous and endocrine systems respond to an increase in ervironmental temperature to achieve homcontasis?

Proteins

The DNA and RNA are made up of three components except one:

Adenine and thymine fit together, and Guanine and Cytosine fit together.

During replication, which nitrogen bases can fit together to make base pairs?

The nitrogenous bases in DNA are Adenine, Uracil, Cytosine, and Guanine and in RNA are Adenine, Thymine, Cytosine, und Guanine

Which of the following statements is false about the structural difference between

DNA and RNA?

CAG - GUC - CAG - Valine

Which of the following order of bases shows the correct sets of codes?

I, IV, III, II

The information in DNA found in the nucleus moves to the ribosome in the cytoplasm. Which of the following events is the correct process of transcription?

I, Ribonucleic acid polymerase enzyme binds and opens the DNA molecule that will be transcribed.

II. The RNA leaves the nucleus and goes to the cytoplasm.

IlI. When the process of base pairing is completed, the RNA molecule breaks away as the DNA strands rejoin.

IV. As the DNA molecules opens, the RNA polymerase slides along the DNA strand and links free RNA nucleotides that pairs with the nitrogenous bases of the complimentary DNA strands.

XXY

Klindelter's Syndrome is caused by a nondisjunction resulting in a genotype of

Down Syndrome

It is a disease caused by an autosomal primary nondisjunction.

Inversion

Which of the following changes of the chromosomal structures that involves the breakage of a chromosome in two places in which the resulting piege of DNA is reversed and re-inserted into the chromosome?

Down Syndrom

Considering the characteristics

and appearance

chromosomal mutation is described in figure 2?

The baby has Edwards syndrome caused by an extra copy of chromosome 18

Mrs. Cruz, felt something different from her baby's physical appearance. However, she decided to have her child check by the doctor. Based on the test results, the baby have small mouth and jaw, short neck, dysplastic or malformed ears, clenched hands with overlapping fingers, flexed big toe, and have wide set of nipples. What can you infer on the baby's condition?

D

Figure 3 shows the pair of organisms in homologous and/or analogous structures.

They make initial estimates of the age through the position in the

sedimentary rocks and fossils found in the bottom level are older than those on upper layer rocks

How does palcontologists usually determines the age of fossils?

Fossils oxygen content

If you are a paleontologist, which of the following data you should not consider in analyzing the evolution of life in the Earth?

Fossil A is the youngest than fossils B and C.

Figure 4 displays a cross section of a portion of Barth's crust that has overturned.

Letter A, B, and C represents a sediments rock layers that contain fossils. Which of the following statement is correct?

Charles Darwin

An evolutionist who have different views about the theory of use and disuse that giraffe species originally had varying neck that could feed on taller trees. Giraffe with short neck were eliminated due to lack of accessibly food supply.

Theory of Need

It is Jean Baptiste de Lamarck's theory that stated that organisms change in responses to their environment. Their ability to survive helped them develop their characteristics necessary for them to adapt in given environment.

Organisms' organs in use will develop and organs not in use Will

disappear.

Considering the proposed theory of Charles Darwin, which of the following statements contradicts his idea about the theory of natural selection?

Direct Economic Value

Organisms are part of biodiversity and may be economically or ecologically valuable. What classification of value of biodiversity if the product of species are considered as food, medicine, clothing, shelter, and energy?

Biodiversity

It is a term that describes how varied living things are in a specific area.

Aesthetic Value

Your friend Arian is fond of visiting a place where she can relax, meditate, and enjoy the beauty of nuture. Determine the classifcation of value of biodiversity on the preferred place of Arian.

The population will decrease

Jade tried to breed caraboos in a huge and isclated cabin. After a few generation, he observed that carabaos are getting aggressive towards each other. The young are less healthy and more calves die. What do you think will happen to the population of carabaos?

Many female rats developed numerous babies.

The number of rats in the rice field is continuously growing at an exponential rate.

Which of the following statement supports the exponential rate of the rats?

Diseases and Parasites

Cocolisap infestation outbreak has been declared in some part of the Philippines.

The cocolisap attacks the coconut tree by eating the leaves, fruits, and flowers until the trunk is left. Which of the following factor limit the population of coconut trees?

The increase in population of snakes in the forest causes a decrease in population of rodents:

Which of the following scenario is an example of density-dependent limiting factor?

Increasing numbers of frogs in the pond cause the decreased numbers of insects.

Which of the following situations is an example of predation as a limiting factor of population growth?

The rabbit's carrying capacity is 65. The rabbit's population stops growing indicating that the area can only accommodate and support 65 rabbits

Figure 5 shows the graph of number of rabbits in its carrying capacity. What is the best interpretation of the graph presented?

Andrea is planting and growing trees as part of her environmental. advocacy

Which of the following human activities that is not attributed to the loss of biodiversity?

Less fortunate people were provided a better living conditions.

Informal settlers living under the bridges and along the subways are relocated to forested area that was converted into a housing project. What could be the possible positive effect of this environmental issue?